@article{DE_1998_34_1_a12,
     author = {G. G. Devdariani},
     title = {On a system of equations of elliptic type that degenerate on the entire boundary of a rectangle},
     journal = {Differencialʹnye uravneni\^a},
     pages = {78--86},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1998_34_1_a12/}
}