共 10 条
[1]
BOGOLIUBOFF N, 1958, ASYMPTOTIC METHODS N
[2]
FICKEN FA, 1954, B AM MATH SOC, V60, P148
[3]
FICKEN FA, 1954, B AMER MATH SOC, V60, P2
[4]
FLEISHMAN BA, 1955, B AMER MATH SOC, V61, P289
[5]
FLEISHMAN BA, 1955, B AMER MATH SOC, V61, P4
[7]
NIELL AM, 1962, THESIS MIT
[9]
RAETZ GS, 1959, NOR59383 REP
[10]
STOKER JJ, 1951, ACTES COLLOGUE INT V, P61