共 50 条
- [21] ONESIDED APPROXIMATION OF PERIODIC-FUNCTIONS OF SEVERAL-VARIABLES DOKLADI NA BOLGARSKATA AKADEMIYA NA NAUKITE, 1982, 35 (12): : 1639 - 1642
- [23] APPROXIMATE RECOVERY OF PERIODIC-FUNCTIONS OF SEVERAL-VARIABLES MATHEMATICS OF THE USSR-SBORNIK, 1985, 128 (1-2): : 249 - 261
- [25] OPERATIONAL GENERATING RELATIONS FOR CERTAIN FUNCTIONS OF SEVERAL-VARIABLES INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS, 1982, 13 (10): : 1124 - 1131
- [29] APPROXIMATION BY TRIGONOMETRIC POLYNOMIALS OF FUNCTIONS OF SEVERAL-VARIABLES ON THE TORUS MATHEMATICS OF THE USSR-SBORNIK, 1986, 131 (1-2): : 247 - 267