@article{DE_1969_5_2_a14,
     author = {A. B. Zimin},
     title = {Certain boundary value problems for quasilinear equations which contain a small parameter at the highest derivative},
     journal = {Differencialʹnye uravneni\^a},
     pages = {357--370},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_2_a14/}
}