%0 Journal Article %A V. P. Viflyantsev %T Local structure of a completely integrable differential system with singularities %J Matematičeskie zametki %D 1981 %P 685-690 %V 29 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1981_29_5_a3/ %G ru %F MZM_1981_29_5_a3