共 7 条
[1]
Arnold V. I., 1983, GRUNDLEHREN MATH WIS, V250
[2]
Bogdanov R. I., 1975, FUNCT ANAL APPL+, V9, P144
[3]
Bogdanov R. I., 1976, FUNCT ANAL APPL, V10, P61
[4]
BOGDANOV RI, 1976, P IG PETROVSKI SEMIN, V2, P37
[5]
Hale J., 1977, APPL MATH SCI, V3
[6]
LEE EB, 1967, F OPTIMAL CONTROL SY
[7]
Lefschetz S., 1965, STABILITY NONLINEAR