%0 Journal Article %A M. S. Tsalenko %T To the Editor of “Uspekhi Matematicheskikh Nauk” %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1961 %V 16 %N 2 %U http://geodesic.mathdoc.fr/item/RM_1961_16_2_a35/ %G ru %F RM_1961_16_2_a35