共 7 条
[1]
Boyarintsev Yu.E, 1989, CHISLENNYE METODY RE
[2]
Hale J., 1966, OSCILLATIONS NONLINE
[3]
SAMOILENKO AM, 2000, LINEINYE SISTEMY DIF
[4]
SHKIL NI, 1989, ASIMPTOTICHESKOE INT
[5]
VASILEVA AB, 1978, SINGULYARNO VOZMUSHC
[6]
YAKOVETS VP, 1992, THESIS KIEV
[7]
YAKOVETS VP, 2002, NONLINEAR OSCIL, V5, P123