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@article{MZM_1981_29_5_a3, author = {V. P. Viflyantsev}, title = {Local structure of a completely integrable differential system with singularities}, journal = {Matemati\v{c}eskie zametki}, pages = {685--690}, publisher = {mathdoc}, volume = {29}, number = {5}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1981_29_5_a3/} }
V. P. Viflyantsev. Local structure of a completely integrable differential system with singularities. Matematičeskie zametki, Tome 29 (1981) no. 5, pp. 685-690. http://geodesic.mathdoc.fr/item/MZM_1981_29_5_a3/