共 14 条
[1]
Averaging methods for finding periodic orbits via Brouwer degree
[J].
BULLETIN DES SCIENCES MATHEMATIQUES,
2004, 128 (01)
:7-22
[2]
BUICA A, 2000, PURE MATH APPL, V11, P39
[3]
Buica A., 2001, Principii de coincidenta si aplicatii
[5]
DARZU VA, 2004, MATH CLUJ, V46, P6
[6]
DARZU VA, 2002, STUD U BABES BOLYAI, V47, P43
[7]
Darzu-Ilea V. A., 2004, Fixed Point Theory, V5, P103
[9]
Gaines R. E., 1977, Coincidence degree, and nonlinear differential equations
[10]
Liu B., 2005, J MATH ANAL APPL, V309, P313