%0 Journal Article %T On the seventieth birthday of Pavel Sergeevich Aleksandrov %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1971 %P 183 %V 26 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1971_26_3_a4/ %G en %F RM_1971_26_3_a4