共 15 条
[1]
BALITINOV MA, 1970, DIFF URAVN, V6, P254
[2]
BALITINOV MA, 1969, DIFF URAVN, V5, P1091
[3]
Barbashin E., 1952, DOKLADY MATH TRANSLA, V86, P453
[4]
Barbasin E. A., 1969, DIFF URAVN, V5, P424
[5]
Efendiev A. R., 1968, DIFFERENCIAL NYE URA, V4, P618
[6]
Ezeilo J. O. C., 1962, J LOND MATH SOC, V37, P405
[7]
Ezeilo J. O. C., 1963, P LOND MATH SOC, V13, P99
[8]
GAISHUN IV, 1969, DIFF URAVN, V5, P305
[9]
HAAS V, 1965, J LONDON MATH SOC, V40, P31
[10]
KHASMINSKII RZ, 1969, USTOICHIVOST SISTEM