TY  - BOOK
AU  - Pastijn, Francis J.
AU  - Petrich, M.
TI  - REGULAR SEMIGROUPS AS EXTENSION
U1  - 512.2 
PY  - 1985///
CY  - Boston
PB  - Pitman
KW  - Semigroups
KW  - Group Extensions (Mathematics)
N1  - Bibliography : P. 182
ER  -