%0 Journal Article
%A O. I. Zavialov
%T Bogolyubov's $R$-operation and the Bogolyubov--Parasyuk theorem
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1994
%P 67-76
%V 49
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1994_49_5_a3/
%G en
%F RM_1994_49_5_a3