共 6 条
[1]
Coddington E. A., 1955, THEORY ORDINARY DIFF
[3]
DEVINATZ A, TO BE PUBLISHED
[4]
Fedorjuk M. V., 1966, T MOSCOW MATH SOC, V15, p[296, 333]
[5]
Fedoryuk M. V., 1966, T MOSK MAT OBSHCH, V15, P296