TY  - BOOK
AU  - Du,Ding-Zhu & Ko, Ker-I
TI  - Problem solving in automata, languages, and complexity
SN  - 0-471-43960-6
U1  - 001.535 Du/Ko 
PY  - 2001///
CY  - John Wiley & Sons, New York
KW  - Computer Science
ER  -