@article{DE_1992_28_8_a25,
     author = {V. V. Mityushev},
     title = {Solution of a problem with nonlocal conditions for the {Lavrent'ev--Bitsadze} equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1461--1463},
     publisher = {mathdoc},
     volume = {28},
     number = {8},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_8_a25/}
}