TY  - JOUR
AU  - D.V. Dekov
TI  - Free products with amalgamation of semigroups.
JO  - Semigroup forum
PY  - 1993
SP  - 54
EP  - 61
VL  - 46
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1993__46_1_135210/
ID  - SF_1993__46_1_135210
ER  -