TY  - JOUR
AU  - A. M. Revyakin
TI  - A certain construction in categories of combinatorial geometries and mappings
JO  - Doklady Akademii Nauk
PY  - 1976
SP  - 1055
EP  - 1058
VL  - 229
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1976_229_5_a6/
LA  - ru
ID  - DAN_1976_229_5_a6
ER  -