%0 Journal Article %A V. G. Maz'ya %T Functions with finite Dirichlet integral in a domain with a cusp at the boundary %J Zapiski Nauchnykh Seminarov POMI %D 1983 %P 117-137 %V 126 %U http://geodesic.mathdoc.fr/item/ZNSL_1983_126_a13/ %G ru %F ZNSL_1983_126_a13