@article{DAN_1996_346_4_a3,
     author = {B. Ya. Roitberg and Ya. A. Roitberg},
     title = {Elliptic boundary value problems in nonsmooth domains in complete},
     journal = {Doklady Akademii Nauk},
     pages = {448--451},
     publisher = {mathdoc},
     volume = {346},
     number = {4},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1996_346_4_a3/}
}