%0 Journal Article %A G. Sh. Rubinshtein %T A generalization of the problem concerning the extreme intersection point of an axis with a convex polyhedron %J Doklady Akademii Nauk %D 1957 %P 987-990 %V 113 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_113_5_a10/ %G ru %F DAN_1957_113_5_a10