共 12 条
[2]
CRONIN J, 1964, 11 AM SOC MATH SURV
[3]
CRONIN JE, IN PRESS
[4]
FORSTER H, 1937, MATH Z, V43, P271
[5]
GOMORY R, CONTRIBUTIONS THEORY, V3, P85
[6]
LEFSCHETZ S, 1963, DIFFERENTIAL EQUATIO
[7]
Lefschetz S, 1961, B SOC MAT MEX, V6, P5
[8]
Malkin I.G., 1952, THEORY STABILITY MOT
[9]
MALKIN IG, AECTR3352