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Periodic solutions of a third order nonlinear differential equation. (English) Zbl 0257.34043


MSC:

34C25 Periodic solutions to ordinary differential equations
Full Text: DOI

References:

[1] Ezeilo, J. O. C., A generalization of a theorem of Reissig for a certain third order differential equation, Ann. Mat. Pura Appl., 87, 349-356 (1970) · Zbl 0215.44203 · doi:10.1007/BF02411986
[2] Reissig, R., On the existence of periodic solutions of a certain non-autonomous differential equation, Ann. Mat. Pura Appl., 85, 235-240 (1970) · Zbl 0195.38203 · doi:10.1007/BF02413535
[3] Reissig, R., Note on a certain non-autonomous differential equation, Acc. Naz. Lincei, Rend. Cl. Sci. fis. mat. nat., Ser. VIII, 48, 246-248 (1970) · Zbl 0209.11704
[4] Reissig, R., Periodic solutions of a nonlinear n-th order vector differential equation, Ann. Mat. Pura Appl., 87, 111-124 (1970) · Zbl 0212.11601 · doi:10.1007/BF02411974
[5] Villari, G., Contributi allo studio dell’esistenza di soluzioni periodiche per i sistemi di equazioni differenziali ordinarie, Ann. Mat. Pura Appl., 69, 171-190 (1965) · Zbl 0132.31902 · doi:10.1007/BF02414371
[6] Villari, G., Soluzioi periodiche di una classe di equazioni differenziali del terz’ordine quasi lineari, Ann. Mat. Pura Appl., 73, 103-110 (1966) · Zbl 0144.11401 · doi:10.1007/BF02415083
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