@article{DE_2006_42_3_a11,
     author = {V. V. Katrakhov and S. V. Kiselevskaya},
     title = {A singular elliptic boundary value problem in domains with corners: {I.} {Function} spaces},
     journal = {Differencialʹnye uravneni\^a},
     pages = {395--403},
     publisher = {mathdoc},
     volume = {42},
     number = {3},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2006_42_3_a11/}
}