%0 Journal Article %A P. S. Aleksandrov %T From the editor %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1983 %P 3-6 %V 154 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1983_154_a0/ %G ru %F TM_1983_154_a0