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@article{DE_1985_21_8_a5, author = {A. D. Myshkis}, title = {Prolongation of solutions of {Pfaffian} equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1331--1337}, publisher = {mathdoc}, volume = {21}, number = {8}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1985_21_8_a5/} }
A. D. Myshkis. Prolongation of solutions of Pfaffian equations. Differencialʹnye uravneniâ, Tome 21 (1985) no. 8, pp. 1331-1337. http://geodesic.mathdoc.fr/item/DE_1985_21_8_a5/