TY  - JOUR
AU  - Koppitz, J.
TI  - M-Solid Subvarieties of some Varieties of Commutative Semigroups
JO  - Serdica Mathematical Journal
PY  - 1997
SP  - 25
EP  - 34
VL  - 23
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SMJ2_1997_23_1_a2/
LA  - en
ID  - SMJ2_1997_23_1_a2
ER  -