共 23 条
[1]
Andronov A.A., 1959, THEORY OSCILLATORS
[2]
Bogoliubov N. N., 1961, SYMPTOTIC METHODS TH
[3]
Bong Chan Khyu, 1993, THESIS UKRANIAN ACAD
[4]
KOLMOGOROV AN, 1986, INTRO REAL ANAL
[5]
Krasnoselskii M. A., 1984, GRUNDLEHREN MATH WIS, V263
[6]
Krasnoselskii M. A., 1970, NONLINEAR ALMOST PER
[7]
Krein M. G., 1970, STABILITY SOLUTIONS
[8]
Mishchenko E. F., 1980, MATH CONCEPTS METHOD, V13
[10]
Mukhamadiev E., 1972, MATH NOTES, V11, P269, DOI 10.1007/BF01098519