TY  - JOUR
AU  - Machala, František
TI  - Contexts and sublattices of concept lattices
JO  - Czechoslovak Mathematical Journal
PY  - 1994
SP  - 757
EP  - 762
VL  - 44
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1994.128487/
DO  - 10.21136/CMJ.1994.128487
LA  - en
ID  - 10_21136_CMJ_1994_128487
ER  -