共 11 条
[1]
Bers L., 1964, PARTIAL DIFFERENTIAL
[4]
DATKO R, 1972, SIAM J MATH ANAL, V3, P428
[5]
Fattorini H O, 1967, MATH THEORY CONTROL, P301
[8]
Kato T., 1966, PERTURBATION THEORY, V132, P396
[10]
Lukes D. L., 1968, FUNKC EKVACIOJ-SER I, V11, P39