00262nam a2200109Ia 4500008004100000041000800041082001400049100002100063245004200084260001900126365000700145230303s9999    xx            000 0 und d  aeng  a511.3 LEW  aLewis ( Hanry.R)  aElements of The Theory of Computation  aNEW DELHIbPHI  cRS