@article{DAN_1980_254_5_a12,
     author = {A. G. Myasnikov and L. I. Sazonov},
     title = {On singular operators with a {non-Carleman} shift and their symbols},
     journal = {Doklady Akademii Nauk},
     pages = {1076--1080},
     publisher = {mathdoc},
     volume = {254},
     number = {5},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_254_5_a12/}
}