ON A PROPERTY OF METRIC PROJECTIONS ONTO CLOSED SUBSETS OF HILBERT-SPACES

[1] CEBYSEV SETS IN HILBERT SPACE [J]. TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 1969, 144 (OCT) : 235 - &

[2] APPROXIMATIVE PROPERTIES OF SETS IN HILBERT-SPACE [J]. MATHEMATICAL NOTES, 1982, 31 (5-6) : 397 - 404

[3] BALAGANSKII VS, 1982, MAT ZAMETKI, V31, P785

[4] A DESCRIPTION OF THE NONUNIQUENESS SET FOR BEST APPROXIMATION IN THE EUCLIDEAN PLANE [J]. JOURNAL OF APPROXIMATION THEORY, 1986, 47 (01) : 54 - 74

[5] BERENS H, 1980, APPROXIMATION THEORY, V3, P1

[6] BERENS H, 1981, ISNM60, P247

[7] BREZIS H, 1973, N HOLLAND MATH STUDI, V5

[8] APPROXIMATION PROPERTIES OF SETS WITH BOUNDED COMPLEMENTS [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF EDINBURGH SECTION A-MATHEMATICS, 1981, 89 : 75 - 86

[9] ON A PROBLEM OF BEREN,H. [J]. MATHEMATISCHE ANNALEN, 1983, 263 (03) : 279 - 281

[10] Kenderov P. S., 1975, C R ACAD BULGARE SCI, V28, P583

[1] CEBYSEV SETS IN HILBERT SPACE [J]. TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 1969, 144 (OCT) : 235 - &

[2] APPROXIMATIVE PROPERTIES OF SETS IN HILBERT-SPACE [J]. MATHEMATICAL NOTES, 1982, 31 (5-6) : 397 - 404

[3] BALAGANSKII VS, 1982, MAT ZAMETKI, V31, P785

[4] A DESCRIPTION OF THE NONUNIQUENESS SET FOR BEST APPROXIMATION IN THE EUCLIDEAN PLANE [J]. JOURNAL OF APPROXIMATION THEORY, 1986, 47 (01) : 54 - 74

[5] BERENS H, 1980, APPROXIMATION THEORY, V3, P1

[6] BERENS H, 1981, ISNM60, P247

[7] BREZIS H, 1973, N HOLLAND MATH STUDI, V5

[8] APPROXIMATION PROPERTIES OF SETS WITH BOUNDED COMPLEMENTS [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF EDINBURGH SECTION A-MATHEMATICS, 1981, 89 : 75 - 86

[9] ON A PROBLEM OF BEREN,H. [J]. MATHEMATISCHE ANNALEN, 1983, 263 (03) : 279 - 281

[10] Kenderov P. S., 1975, C R ACAD BULGARE SCI, V28, P583