TY - JOUR AU - V. G. Maz'ya TI - Functions with finite Dirichlet integral in a domain with a cusp at the boundary JO - Zapiski Nauchnykh Seminarov POMI PY - 1983 SP - 117 EP - 137 VL - 126 UR - http://geodesic.mathdoc.fr/item/ZNSL_1983_126_a13/ LA - ru ID - ZNSL_1983_126_a13 ER -