TY  - BOOK
AU  - Du, Ding-Zhu
AU  - Ko, Ker-I
TI  - Problem solving in automata, languages, and complexity
SN  - 9 780471 439608
U1  - 519.713 
PY  - 2001///
CY  - New York
PB  - John Wiley & Sons
ER  -