共 50 条
- [4] K-FUNCTIONALS AND MODULI OF CONTINUITY IN WEIGHTED POLYNOMIAL-APPROXIMATION [J]. ARKIV FOR MATEMATIK, 1983, 21 (01): : 145 - 161
- [5] K-functionals, moduli of smoothness and weighted best approximation on the semiaxis [J]. FUNCTIONS, SERIES, OPERATORS: ALEXITS MEMORIAL CONFERENCE, 2002, : 181 - 211
- [7] NORMS OF VECTOR FUNCTIONALS [J]. PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, 2019, 147 (05) : 2057 - 2068
- [10] APPROXIMATION OF CONVEX FUNCTIONALS BY OBSTACLE FUNCTIONALS [J]. JOURNAL D ANALYSE MATHEMATIQUE, 1982, 42 : 229 - 275