@article{DAN_1973_211_6_a10,
     author = {M. A. Leysin},
     title = {On embedding theorems for a class of singular differential operators in a half-space},
     journal = {Doklady Akademii Nauk},
     pages = {1291--1293},
     publisher = {mathdoc},
     volume = {211},
     number = {6},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_211_6_a10/}
}