%0 Journal Article
%A B. N. Petrov
%A G. A. Stepanyantz
%T A contribution to the theory of branching systems
%J Doklady Akademii Nauk
%D 1969
%P 783-786
%V 186
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1969_186_4_a12/
%G ru
%F DAN_1969_186_4_a12