@article{DAN_1972_207_2_a12,
     author = {B. S. Rubin},
     title = {On operators of potential type in weight spaces on an arbitrary contour},
     journal = {Doklady Akademii Nauk},
     pages = {300--303},
     publisher = {mathdoc},
     volume = {207},
     number = {2},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_207_2_a12/}
}