@article{DE_1972_8_8_a27,
     author = {N. A. Sidorov},
     title = {The {Cauchy} problem for a certain class of differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1521--1524},
     publisher = {mathdoc},
     volume = {8},
     number = {8},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1972_8_8_a27/}
}