TY  - JOUR
AU  - T.A. Martynova
TI  - The groupoid of 0-reduced varieties of Semigroups (n).
JO  - Semigroup forum
PY  - 1983
SP  - 249
EP  - 274
VL  - 26
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1983__26_134608/
ID  - SF_1983__26_134608
ER  -