@article{DE_1973_9_9_a11,
     author = {V. M. Darevskii},
     title = {A certain method for the solution of partial differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1661--1672},
     publisher = {mathdoc},
     volume = {9},
     number = {9},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_9_a11/}
}