@article{DAN_1971_199_5_a5,
     author = {V. S. Vinogradov},
     title = {On an elliptic system without {N\"otherian} boundary-value problems},
     journal = {Doklady Akademii Nauk},
     pages = {1008--1010},
     publisher = {mathdoc},
     volume = {199},
     number = {5},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_199_5_a5/}
}