%0 Journal Article %A V. V. Katrakhov %A S. V. Kiselevskaya %T A singular elliptic boundary value problem in domains with corners: I. Function spaces %J Differencialʹnye uravneniâ %D 2006 %P 395-403 %V 42 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2006_42_3_a11/ %G ru %F DE_2006_42_3_a11