@article{DAN_1965_160_6_a6,
     author = {V. G. Maz'ya and B. A. Plamenevskii},
     title = {On singular equations with a vanishing symbol},
     journal = {Doklady Akademii Nauk},
     pages = {1250--1253},
     publisher = {mathdoc},
     volume = {160},
     number = {6},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_160_6_a6/}
}