共 16 条
- [11] Necas J., 1967, METHODES DIRECTES TH
- [12] SARD A, 1968, J FUNCT ANAL, V2, P368
- [13] SARD A, 1967, J FUNCT ANAL, V1, P222
- [14] Schoenberg I. J., 1964, INDAG MATH, V26, P155
- [15] SCHOENBERG IJ, 1964, APPROXIMATION THEORY, P109
- [16] [No title captured]