共 7 条
[1]
Coddington E. A., 1955, THEORY ORDINARY DIFF
[2]
EVANS J, 1097, BIOPHYS J, V10, P1090
[5]
FRIEDMAN A, 1970, FOUNDATIONS MODERN A
[6]
Kato T., 1966, PERTURBATION THEORY, V132, P396
[7]
[No title captured]