共 15 条
[1]
BUTLER G, 1980, MODELING DIFFERENTIA
[2]
CHENG KS, SIAM J MATH ANAL
[3]
Coddington EA., 1955, THEORY ORDINARY DIFF
[4]
HANSEN SR, 1980, SCIENCE, V207, P1491
[9]
KOCH AL, 1974, J THEOR BIOL, V44, P378
[10]
LI B, 1980, UNIQUENESS LIMIT CYC, V1, P319