共 8 条
[1]
CODDINGTON EA, 1955, THEORY ORDINARY DIFF, pCH17
[3]
LEVINSON N, 1949, ANN MATH, V49, P738
[5]
Ueda Y, 1973, T IECE A, V56A, P218
[6]
UEDA Y, 1979, DEC P ENG F C NEW AP
[7]
Ueda Y., 1978, T I ELECTR ENG JPN A, V98A, P167
[8]
UEDA Y, 1979, DEC P INT C NONL DYN