TY - JOUR AU - O. B. Sheremet TI - An~integral estimate of distances between cross sections of two sets by planes JO - Matematičeskie zametki PY - 1991 SP - 120 EP - 128 VL - 50 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1991_50_5_a15/ LA - ru ID - MZM_1991_50_5_a15 ER -