TY - JOUR AU - E. V. Oshman TI - On the continuity of metric projection onto convex closed sets JO - Doklady Akademii Nauk PY - 1983 SP - 289 EP - 291 VL - 269 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1983_269_2_a6/ LA - ru ID - DAN_1983_269_2_a6 ER -