%0 Journal Article
%A J. I. Bogoljubov
%T On the equation $\varphi(z)=\varphi_1(x)+\varphi_2(x)+\varphi_3(x+y)$
%J Doklady Akademii Nauk
%D 1973
%P 753-755
%V 210
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1973_210_4_a0/
%G ru
%F DAN_1973_210_4_a0