@article{DE_1998_34_1_a17,
     author = {S. S. Kharibegashvili},
     title = {Boundary value problems for a class of systems of second-order partial differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {114--122},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1998_34_1_a17/}
}