TY  - JOUR
AU  - V.Y. Belyaev
TI  - On algebraic closure and amalgamation of semigroups.
JO  - Semigroup forum
PY  - 1982
SP  - 223
EP  - 268
VL  - 25
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1982__25_134576/
ID  - SF_1982__25_134576
ER  -