TY - JOUR AU - V. A. Sorokin TI - Classes of convex sets as generalized metrical spaces JO - Matematičeskie zametki PY - 1968 SP - 45 EP - 52 VL - 4 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1968_4_1_a5/ LA - ru ID - MZM_1968_4_1_a5 ER -