共 17 条
[3]
CONLEY C, 1972, GRADIENT STRUCTURE F
[7]
Nemytskii V., 1960, QUALITATIVE THEORY D
[8]
PAINLEVE P, 1895, LECONS THEORIE ANALY
[9]
SAARI DG, 1973, ARCH RATION MECH AN, V49, P311
[10]
SACKER RV, TO BE PUBLISHED