00837nam0-22003011i-450-9900012963704033210-12-356950-8000129637FED01000129637(Aleph)000129637FED01000129637--------d--------km-y0itay50------baeng<<An >>introduction to semigroup theoryJohn Mackintosh HowieLondon [etc.]Academic Press1976x, 272 p.ill.24 cmL.M.S. Monographs7Semigruppi512.22Howie,John Mackintosh58931ITUNINARICAUNIMARCBK990001296370403321C-65-(718402MA1MA120MXXIntroduction to semigroup theory384134UNINA