共 7 条
[1]
ABRAMOWITZ M, 1965, HDB MATHEMATICAL FUN
[2]
HOLFORD RL, 1964, P CAMB PHILOS SOC, V60, P985
[3]
HOLFORD RL, 1964, P CAMB PHILOS SOC, V60, P957
[4]
LEPPINGTON FG, 1968, PROC CAMB PHILOS S-M, V64, P1109
[5]
LEPPINGTON FG, 1970, J I MATHS APPLICS, V6, P319
[6]
Ursell F., 1961, P CAMB PHILOS SOC, V57, P638
[7]
Van Dyke M., 1964, PERTURBATION METHODS