%0 Journal Article %A E. G. D'yakonov %T The solution of certain nonlinear systems of difference equations %J Doklady Akademii Nauk %D 1969 %P 982-985 %V 188 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_188_5_a4/ %G ru %F DAN_1969_188_5_a4