TY  - JOUR
AU  - K.D. jr. Magill
TI  - Embedding semigroups into semigroups with countability index two.
JO  - Semigroup forum
PY  - 1989
SP  - 51
EP  - 58
VL  - 39
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1989__39_2_134973/
ID  - SF_1989__39_2_134973
ER  -