@article{DAN_1982_265_4_a10,
     author = {M. Otelbaev and A. N. Shynybekov},
     title = {On well-posed problems of {Bicadze--Samarskii} type},
     journal = {Doklady Akademii Nauk},
     pages = {815--819},
     publisher = {mathdoc},
     volume = {265},
     number = {4},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_265_4_a10/}
}