%0 Journal Article %A N. N. Frolov %T Self-adjointness of elliptic operators with infinitely many variables %J Funkcionalʹnyj analiz i ego priloženiâ %D 1980 %P 85-86 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1980_14_1_a25/ %G ru %F FAA_1980_14_1_a25