共 9 条
[1]
BRILL DR, 1964, NUOVO CIMENTO S, V2, P1
[2]
LANDAU LD, 1959, CLASSICAL THEORY FIE, P89
[7]
PETROV AZ, 1966, PERSPECTIVES GEOMETR
[8]
PIRANI FAE, 1965, LECTURES GENERAL REL
[9]
SCHILD A, 1965, LECTURES GENERAL REL