%0 Journal Article %A A. M. Obukhov %T On symmetrizable nonlinear systems %J Doklady Akademii Nauk %D 1977 %P 35-38 %V 233 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_233_1_a7/ %G ru %F DAN_1977_233_1_a7