TY  - JOUR
AU  - J. Almeida
TI  - Semidirectly closed pseudovarieties of locally trivial semigroups.
JO  - Semigroup forum
PY  - 1990
SP  - 315
EP  - 324
VL  - 40
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1990__40_1_135028/
ID  - SF_1990__40_1_135028
ER  -