共 11 条
[1]
Bogoliubov N. N., 1961, ASYMPTOTIC METHODS T
[4]
DIETZ K, 1976, LECTURE NOTES BIOMAT, V11, P1
[5]
Hale JK., 1969, ORDINARY DIFFERENTIA
[6]
Hayashi C., 1964, NONLINEAR OSCILLATIO
[7]
KANNAN D, 1979, B MATH BIOL, V41, P229
[8]
Roughgarden J., 1979, THEORY POPULATION GE
[10]
Urabe M., 1965, ARCH RATIONAL MECH A, V20, P120, DOI DOI 10.1007/BF00284614