TY  - JOUR
AU  - Chajda, Ivan
AU  - Emanovský, Petr
TI  - Modularity and distributivity of the lattice of $\Sigma$-closed subsets of an algebraic structure
JO  - Mathematica Bohemica
PY  - 1995
SP  - 209
EP  - 217
VL  - 120
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/MB.1995.126220/
DO  - 10.21136/MB.1995.126220
LA  - en
ID  - 10_21136_MB_1995_126220
ER  -