共 14 条
[1]
Akhiezer N. I., 1961, THEORY LINEAR OPERAT, VI
[2]
Belli G. C., 1972, Istituto Lombardo, Rendiconti A, Scienze, V106, P158
[3]
Bourbaki Nicolas, 1959, ELEMENTS MATHEMATIQU
[4]
Dieudonne J., 1942, ANN SCI ECOLE NORM S, V59, P107
[5]
GOLDBERG S, 1966, UNBOUNDED LINEAR OPE
[6]
GOURSAT E, 1964, COURSE MATHEMATICA 2, V3
[7]
GURTIN ME, 1969, APPL MATH, V22, P252
[8]
Mikhlin S. G., 1964, VARIATIONAL METHODS
[9]
MORSE PM, 1953, METHODS THEORETICAL, V1
[10]
TONTI E, IN PRESS