TY  - BOOK
AU  - Ginsburg, Seymour,
TI  - Algebraic and automata-theoretic properties of formal languages
T2  - Fundamental studies in computer science
SN  - 0720425069
U1  - 511.30285 
PY  - 1975///
CY  - Amsterdam
PB  - North-Holland Pub.
KW  - Formal languages
ER  -