TY - JOUR AU - A. L. Brahman TI - Attaching a~boundary to a~regular covering of a~closed manifold JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1975 VL - 30 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1975_30_3_a10/ LA - ru ID - RM_1975_30_3_a10 ER -