00690nam0-22002411i-450-990001296390403321000129639FED01000129639(Aleph)000129639FED01000129639--------d--------km-y0itay50------baeng<<An >>INTRODUCTION to semigroup theory.by H OWIE J.M.London [etc.]Academic Press1976L.M.S. Monographs7Howie,John Mackintosh58931ITUNINARICAUNIMARCBK99000129639040332111-I-3321694MA1MA1Introduction to semigroup theory384134UNINA