TY  - JOUR
AU  - Vernikov, Boris M.
TI  - On modular elements of the lattice of semigroup varieties
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 2007
SP  - 595
EP  - 606
VL  - 48
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_2007__48_4_a3/
LA  - en
ID  - CMUC_2007__48_4_a3
ER  -