@article{DE_1998_34_4_a10,
     author = {E. G. D'yakonov},
     title = {Reinforced {Sobolev} spaces and some new types of elliptic boundary value {problems.~II}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {508--517},
     publisher = {mathdoc},
     volume = {34},
     number = {4},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1998_34_4_a10/}
}