Periodic Solutions of Modified Duffing Equation Subjected to Abi-Harmonic Parametric and External Excitations

Document Type : Original Research Papers

Authors

• A.M. Elnaggar
• A.F. El-Bassiouny
• K.M. Khalil
• A.M. Omran

Mathematics Dept., Faculty of Science, Benha Univ., P.O.Box 13518, Benha, Egypt