共 19 条
[2]
BATEMAN H, 1964, PARTIAL DIFFERENTIAL
[3]
Bluman G.W., 1974, SIMILARITY METHODS D
[4]
BOYER CP, 1981, J MATH PHYS, V23, P1126
[5]
EGUCHI T, 1980, PHYS REP, V66, P213, DOI 10.1016/0370-1573(80)90130-1
[8]
KAMKE E, 1959, DIFFERENTIALGLEICHUN, V1
[9]
Lie S., 1970, THEORIE TRANSFORMATI
[10]
Murphy G. M., 1960, ORDINARY DIFFERENTIA