@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/}
}