@article{DE_1994_30_11_a17,
     author = {A. P. Soldatov},
     title = {Dirichlet-type problems for the {Lavrent'ev--Bitsadze} equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2001--2009},
     publisher = {mathdoc},
     volume = {30},
     number = {11},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1994_30_11_a17/}
}