Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1983_269_2_a6, author = {E. V. Oshman}, title = {On the continuity of metric projection onto convex closed sets}, journal = {Doklady Akademii Nauk}, pages = {289--291}, publisher = {mathdoc}, volume = {269}, number = {2}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1983_269_2_a6/} }
E. V. Oshman. On the continuity of metric projection onto convex closed sets. Doklady Akademii Nauk, Tome 269 (1983) no. 2, pp. 289-291. http://geodesic.mathdoc.fr/item/DAN_1983_269_2_a6/