%0 Journal Article %A P. G. Aizengendler %A M. M. Vainberg %T The branching of periodic solutions of differential-difference equations %J Doklady Akademii Nauk %D 1969 %P 495-498 %V 186 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_186_3_a0/ %G ru %F DAN_1969_186_3_a0