@article{DAN_1969_184_4_a4,
     author = {B. Sternin},
     title = {S. {L.~Sobolev} type elliptic problems for submanifolds with point singularities},
     journal = {Doklady Akademii Nauk},
     pages = {782--785},
     year = {1969},
     volume = {184},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_184_4_a4/}
}