%0 Journal Article %A A. N. Kanatnikov %A A. P. Krishchenko %T Symmetries and the decomposition of nonlinear systems %J Differencialʹnye uravneniâ %D 1994 %P 1880-1891 %V 30 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1994_30_11_a4/ %G ru %F DE_1994_30_11_a4