共 50 条
- [3] BEST APPROXIMATION ON CONVEX-SETS IN METRIC LINEAR-SPACES [J]. MATHEMATISCHE NACHRICHTEN, 1977, 78 : 125 - 130
- [4] A METRIC CHARACTERIZATION OF NORMED LINEAR-SPACES [J]. MATHEMATISCHE NACHRICHTEN, 1981, 102 : 297 - 309
- [5] Best approximations in metric spaces [J]. COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE I-MATHEMATIQUE, 1999, 329 (02): : 159 - 162
- [6] ANGLES IN METRIC AND NORMED LINEAR-SPACES [J]. COLLOQUIUM MATHEMATICUM, 1976, 34 (02) : 209 - 217
- [7] APPROXIMATIVE COMPACTNESS IN METRIC LINEAR-SPACES [J]. MATHEMATISCHE NACHRICHTEN, 1993, 160 : 329 - 341
- [9] BEST COAPPROXIMATION IN NORMED LINEAR-SPACES [J]. MONATSHEFTE FUR MATHEMATIK, 1979, 88 (01): : 27 - 44
- [10] UNIVERSAL SPACES AND UNIVERSAL BASES IN METRIC LINEAR-SPACES [J]. STUDIA MATHEMATICA, 1977, 61 (02) : 161 - 191