@article{DE_1999_35_6_a9,
     author = {Yu. V. Zhernovyi},
     title = {Unique solvability of boundary value problems for elliptic equations with nonlinearities},
     journal = {Differencialʹnye uravneni\^a},
     pages = {784--792},
     publisher = {mathdoc},
     volume = {35},
     number = {6},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1999_35_6_a9/}
}