共 9 条
[2]
FRECHET DIFFERENTIABILITY OF CONVEX FUNCTIONS
[J].
ACTA MATHEMATICA UPPSALA,
1968, 121 (1-2)
:31-&
[3]
BRONDSTE.A, 1966, MATH SCAND, V19, P5
[5]
EFIMOV NV, 1959, DOKL AKAD NAUK SSSR+, V127, P254
[7]
KLEE VL, 1967, 1965 P C CONV COP, P168
[8]
SINGER I, 1967, SOME OPEN PROBLEMS B
[9]
[No title captured]