TY - JOUR AU - I. A. Kipriyanov TI - A~variational problem in a~half space JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1967 SP - 19 EP - 26 VL - 91 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1967_91_a2/ LA - ru ID - TM_1967_91_a2 ER -