@article{DE_1981_17_2_a8,
     author = {A. V. Borodin},
     title = {Solution of nonlinear boundary value problems that depend on a parameter for systems of second-order partial differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {270--277},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_2_a8/}
}