@article{DAN_1971_201_4_a0,
     author = {V. S. Vinogradov},
     title = {On a method of solution of a boundary value problem for a first-order elliptic system on the plane},
     journal = {Doklady Akademii Nauk},
     pages = {767--770},
     publisher = {mathdoc},
     volume = {201},
     number = {4},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_201_4_a0/}
}