01038nam a2200337 4500 DLU030025489 ##19990813043507.0 ##980821s1999 gw b 001 0 eng 98042554 3540637710 (hc. : acid-free paper) (DLC) 98042554 DLC DLC DLC QA182 .D4 1999 512.2 LU-A De Luca, A. (Aldo) Finiteness and regularity in semigroups and formal languages / Aldo de Luca, Stefano Varricchio. Berlin : New York : Springer, c1999. x, 240 p. ; 25 cm. Monographs in theoretical computer science Includes bibliographical references (p. [229]-235) and index. Formal languages. Semigroups. Varricchio, Stefano, 1960- DLU True Lê Thị Mạnh Xuân G A SH Thư viện Trường Đại học Đà Lạt