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@article{DE_1988_24_4_a33, author = {O. V. Khramtsov}, title = {On the tree points controllability of the linear complete integrable {Pfaff} systems}, journal = {Differencialʹnye uravneni\^a}, pages = {726--727}, publisher = {mathdoc}, volume = {24}, number = {4}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1988_24_4_a33/} }
O. V. Khramtsov. On the tree points controllability of the linear complete integrable Pfaff systems. Differencialʹnye uravneniâ, Tome 24 (1988) no. 4, pp. 726-727. http://geodesic.mathdoc.fr/item/DE_1988_24_4_a33/