TY - BOOK AU - Lewis, Harry R. AU - Papadimitriou, Christos H. TI - Elements of the theory of computation U1 - 511.35 PY - 1981/// CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Machine theory KW - Formal languages KW - Computational complexity KW - Logic, Symbolic and mathematical N1 - Includes bibliographical references and index ER -