@article{DE_1977_13_8_a8,
     author = {N. T. Stel'maschuk},
     title = {Solution of some systems of partial differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1426--1433},
     publisher = {mathdoc},
     volume = {13},
     number = {8},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_8_a8/}
}