00546    a2200169   4500001000700000003000400007005001700011008004100028082001700069100002200086245012300108260002900231300001000260653006300270700002300333700002000356068081OSt20220125111529.0                                          a511.35bH77I1 aHopcroft, John E.1 aIntroduction to automata theory, languages, and computationcby John E. Hopcroft, Jeffrey D. Ullman and Rajeev Motwani  aNew DelhibPearsonc2009  a487p.  aMachine theory; Formal languages; Computational complexity  aUllman, Jeffrey D.  aMotwani, Rajeev