TY  - GEN
AU  - De Luca, Aldo
AU  - Varricchio, Stefano
TI  - Finiteness and regularity in semigroups and formal languages
SN  - 3540637710
U1  - 512.2 
PY  - 1999///
CY  - Berlin
PB  - Springer
KW  - Groups
KW  - group theory
ER  -