1. Giannini, F. and G. Leuzzi, Nonlinear Microwave Circuit Design, John Wiley, 2004.
2. Coddington, E. A. and N. Levinston, Theory of Ordinary Differential Equations, Mc. Graw-Hill Inc., 1983.
3. Suarez, A. and A. Quere, Stability Analysis of Nonlinear Microwave Circuit, Artech House, 2003.
4. Shi, Z. G. and L. X. Ran, "Microwave chaotic Colpitts oscillator: design, implementation and applications," Journal of Electromagnetic Waves and Applications, Vol. 20, No. 10, 1335-1349, 2006.
doi:10.1163/156939306779276802
5. Shi, Z. G. and S. Qiao, "Ambiguity function of direct chaotic radar employing microwave chaotic Colpitts oscillator," Progress In Electromagnetics Research, Vol. 77, 1-14, 2007.
doi:10.2528/PIER07072001
6. Qiao, S., T. Jiang, L. Ran, and K. Chen, "Ultra wide band noise signal radar utilizing microwave chaotic signals and chaos synchronization," PIERS Online, Vol. 3, No. 8, 1326-1329, 2007.
doi:10.2529/PIERS070417101142
7. Jackson, R. W., "Rollett proviso in the stability of linear microwave circuits—Atutorial," IEEE Transaction of Microwave Theory and Technique, Vol. 54, No. 3, 993-1000, 2006.
doi:10.1109/TMTT.2006.869719
8. Sanchez, D. A., Ordinary Differential Equation and Stability Theory, An Introduction, 1960.
9. Rizzoli, V. and A. Lipparini, "General stability analysis of periodic steady state regimes in nonlinear microwave circuits," IEEE Transaction of Microwave Theory and Technique, Vol. MTT 33, 30-37, 1985.
doi:10.1109/TMTT.1985.1132934
10. Makeeva, G. S., O. A. Golovanov, and M. Pardavi-Horvath, "Mathematical modeling of nonlinear waves and oscillations in gryomagnetic structures by bifurcation theory methods," Journal of Electromagnetic Waves and Applications, Vol. 20, No. 11, 1503-1510, 2006.
doi:10.1163/156939306779274363
11. Suarez, A., S. Jeon, and D. Rutledge, "Stability analysis and stabilization of power amplifiers," IEEE Microwave Magazine, Vol. 7, No. 5, 145-151, 2006.
doi:10.1109/MW-M.2006.247915
12. Mons, S., J. C. Nallatamby, R. Quere, P. Savary, and J. Obregon, "Unified approach for the linear and nonlinear stability analysis of microwave circuits using available tools," IEEE Transaction of Microwave Theory and Technique, Vol. 47, No. 12, 2403-2410, 1999.
doi:10.1109/22.808987
13. Vahdati, H. and A. Abdipour, "Nonlinear stability analysis of microwave oscillators using the periodic averaging method," Progress In Electromagnetics Research, Vol. 79, 179-193, 2008.
doi:10.2528/PIER07100101
14. Kryzing, E., Advance Engineering Mathematics, Printics Hall, 2002.
15. Makeeva G. S., O. A. Golovanov and and M. Pardavi Horvath, "Numerical simulation of nonlinear and parametric oscillations in a semiconductor resonator structure," Progress In Electromagnetics Research Symposium, 2006.
16. Kumar, P., T. Chakravarty, G. Singh, S. Bhooshan, and S. K. Khah, "Numerical computation of resonant frequency of gap coupled circular microstrip antenna," J. of Electromagn. Waves and Appl., Vol. 21, No. 10, 1303-1311, 2007.
doi:10.1163/156939307783239465
17. Geyi, W., "Time-domain theory of metal cavity resonator," Progress In Electromagnetics Research, Vol. 78, 219-253, 2008.
doi:10.2528/PIER07090605
18. Psarros, I. and G. Fikioris, "Two term theory for infinite linear array and application to study of resonances," J. of Electromagn. Waves and Appl., Vol. 20, No. 5, 623-645, 2006.
doi:10.1163/156939306776137809
19. Migulin, V. V., Basic Theory of Oscillation, Mir Publisher, 1983.
20. Kung, F. and H. T. Chuah, "Stability of classical finite diference time domain (FDTD) formulation with nonlinear element — Anew perspective," Progress In Electromagnetics Research, Vol. 42, 49-89, 2003.
doi:10.2528/PIER03010901
21. Wu, C. G. and G. X. JiangKung, "Stabilization procedure for time-domain integral equation," Journal of Electromagnetic Waves and Applications, Vol. 21, No. 11, 1507-1512, 2007.
22. Tang, M. and J. F. Mao, "Transient analysis of lossy nonuniform transmission lines using time step integration method," Progress In Electromagnetics Research, Vol. 69, 257-266, 2007.
doi:10.2528/PIER06123001
23. Afrooz, K., A. Abdipour, A. Tavakoli, and M. Movahhediu, "Time domain analysis of active transmission lines using FDTD technique (application to microwave/mm-wave transistors)," Progress In Electromagnetics Research, Vol. 77, 309-328, 2007.
doi:10.2528/PIER07081401
24. Khalil, H., Nonlinear Systems, Printice Hall, 2002.
25. Peidaee and A. R. Baghai-Wadji "On the calculation of polynomially perturbed harmonic oscillators," PIERS Online, Vol. 3, No. 4, 486-489, 2007.
doi:10.2529/PIERS061202155000