%0 Journal Article %A S. K. Afyan %T Ordinary differential equation system of non-canonical shape. I %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1989 %P 10-15 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1989_2_a1/ %G ru %F UZERU_1989_2_a1