@article{TM_1984_170_a8,
     author = {G. A. Karapetyan},
     title = {Solution of semielliptic equations in a~half space},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {119--138},
     publisher = {mathdoc},
     volume = {170},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1984_170_a8/}
}