共 10 条
[3]
COURANT R, 1962, METHODS MATHEMATICAL, V2
[5]
KELLER JB, 1969, ASYMPTOTIC THEORY WA
[6]
LEWIS RP, TO BE PUBLISHED
[9]
OBERHETTINGER F, 1956, J MATH PHYS, V34, P245
[10]
STRATTON JA, 1964, ELECTROMAGNETIC THEO