@article{DAN_1965_164_6_a1,
     author = {A. V. Bitsadze},
     title = {Normally solvable elliptic boundary value problems},
     journal = {Doklady Akademii Nauk},
     pages = {1218--1220},
     publisher = {mathdoc},
     volume = {164},
     number = {6},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_164_6_a1/}
}