共 50 条
- [2] ONESIDED APPROXIMATION OF PERIODIC-FUNCTIONS OF SEVERAL-VARIABLES DOKLADI NA BOLGARSKATA AKADEMIYA NA NAUKITE, 1982, 35 (12): : 1639 - 1642
- [3] APPROXIMATE RECOVERY OF PERIODIC-FUNCTIONS OF SEVERAL-VARIABLES MATHEMATICS OF THE USSR-SBORNIK, 1985, 128 (1-2): : 249 - 261
- [5] THE APPROXIMATE RESTORATION OF PERIODIC-FUNCTIONS OF SEVERAL-VARIABLES DOKLADY AKADEMII NAUK SSSR, 1985, 280 (06): : 1310 - 1313
- [6] THE BEST BILINEAR APPROXIMATIONS OF PERIODIC-FUNCTIONS OF SEVERAL-VARIABLES DOKLADY AKADEMII NAUK SSSR, 1986, 286 (02): : 301 - 304
- [8] KOLMOGOROV WIDTHS OF CLASSES OF PERIODIC-FUNCTIONS OF ONE AND SEVERAL VARIABLES MATHEMATICS OF THE USSR-IZVESTIYA, 1990, 54 (02): : 435 - 448
- [9] APPROXIMATION OF PERIODIC-FUNCTIONS OF SEVERAL-VARIABLES BY BILINEAR-FORMS MATHEMATICS OF THE USSR-IZVESTIYA, 1986, 50 (01): : 133 - 150
- [10] ON THE APPROXIMATION OF PERIODIC-FUNCTIONS OF SEVERAL-VARIABLES WITH BOUNDED MIXED DIFFERENCE DOKLADY AKADEMII NAUK SSSR, 1980, 253 (03): : 544 - 548