Ahmad, Bashir; Alsaedi, Ahmed Existence of approximate solutions of the forced Duffing equation with discontinuous type integral boundary conditions. (English) Zbl 1154.34314 Nonlinear Anal., Real World Appl. 10, No. 1, 358-367 (2009). MSC: 34B15 34B10 × Cite Format Result Cite Review PDF Full Text: DOI
Ahmad, Bashir; Alsaedi, Ahmed; Alghamdi, Badra S. Analytic approximation of solutions of the forced Duffing equation with integral boundary conditions. (English) Zbl 1154.34311 Nonlinear Anal., Real World Appl. 9, No. 4, 1727-1740 (2008). MSC: 34B10 34B15 × Cite Format Result Cite Review PDF Full Text: DOI