@article{DAN_1971_196_1_a14,
     author = {A. G. Terent'ev},
     title = {On the solution of a mixed boundary problem},
     journal = {Doklady Akademii Nauk},
     pages = {57--60},
     publisher = {mathdoc},
     volume = {196},
     number = {1},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_196_1_a14/}
}