%0 Journal Article %T German Fedorovich Laptev (photo) %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1970 %V 25 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1970_25_5_a22/ %G ru %F RM_1970_25_5_a22