Algebraic theory of semigroups / 
edited by G. Pollak 
 - Amsterdam :  North-Holland,  1979 
 - 753 p. ;  25 cm. 
 - Colloquia mathematica Societatis Janos Bolyai ;  v.20 .
<br/><br/> '... contains the proceedings of a conference ...  held  in Szeged from August 23 to August 26, 1976' - Preface 
<br/><br/><label>ISBN: </label>0444852824 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Semigroups--Congresses