%0 Journal Article
%A V. A. Ditkin
%T On the theory of operator calculus
%J Doklady Akademii Nauk
%D 1957
%P 15-17
%V 116
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_116_1_a2/
%G ru
%F DAN_1957_116_1_a2