TY - JOUR AU - E. N. Sosov TI - Best Approximations of Convex Compact Sets by Balls in the Hausdorff Metric JO - Matematičeskie zametki PY - 2004 SP - 226 EP - 236 VL - 76 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2004_76_2_a6/ LA - ru ID - MZM_2004_76_2_a6 ER -