%0 Journal Article %A Yu. N. Frolov %T On a~method of solution of an operator equation of infinite order %J Sbornik. Mathematics %D 1972 %P 473-485 %V 18 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1972_18_3_a5/ %G en %F SM_1972_18_3_a5