共 22 条
[1]
COURANT R, 1962, METHODS MATHEMATICAL, V2
[5]
KERR RP, 1966, P S APPLIED MATH, V17, P199
[6]
KERR RP, 1965, CONVEGNO SULLA RELAT, P173
[9]
NEWMAN ET, 1975, BERGMANNS S SYRACUSE
[10]
NEWMAN ET, 1974, J MATH PHYS, V15, P113