共 7 条
[1]
ALEKSEEV VM, 1961, VESTN MOSK U MM, P28
[4]
Coddington E. A., 1955, THEORY ORDINARY DIFF
[5]
HALL DW, 1955, ELEMENTARY TOPOLOGY
[6]
ONUCHIC N, 1963, MICHIGAN MATH J, V10, P129
[7]
Sansone G., 1964, NONLINEAR DIFFERENTI