@article{DE_1967_3_5_a15, author = {A. D. Myshkis and {\CYRA}. {\CYRA}. Sharshanov}, title = {The construction of a family of integral lines situated in a prescribed region}, journal = {Differencialʹnye uravneni\^a}, pages = {852--856}, publisher = {mathdoc}, volume = {3}, number = {5}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1967_3_5_a15/} }