TY  - JOUR
AU  - A. L. Brahman
TI  - On the adjunction of a boundary to a regular covering of a closed manifold
JO  - Doklady Akademii Nauk
PY  - 1975
SP  - 1249
EP  - 1252
VL  - 221
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1975_221_6_a0/
LA  - ru
ID  - DAN_1975_221_6_a0
ER  -