共 17 条
- [3] FRECHET DIFFERENTIABILITY OF CONVEX FUNCTIONS [J]. ACTA MATHEMATICA UPPSALA, 1968, 121 (1-2): : 31 - &
- [4] BESSAGA C, 1967, B ACAD POL SCI SMAP, V15, P397
- [5] Clarkson JA, 1936, T AM MATH SOC, V40, P396
- [7] Cudia D. F., 1964, T AM MATH SOC, V110, P284
- [8] Day M. M., 1955, T AM MATH SOC, V78, P516
- [9] DAY MM, 1957, P AM MATH SOC, V8, P415
- [10] KADEC MI, 1961, IZV VYSS UCEBN ZAV M, V15, P139