TY - JOUR AU - G. Sh. Rubinshtein TI - A generalization of the problem concerning the extreme intersection point of an axis with a convex polyhedron JO - Doklady Akademii Nauk PY - 1957 SP - 987 EP - 990 VL - 113 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1957_113_5_a10/ LA - ru ID - DAN_1957_113_5_a10 ER -