Hofmann, K. H. <br/><br/>
The duality of compact semigroups and C* -Bigebras   

 - Berlin  Springer-Verlag  1970 
 - xii, 141p. 
 - Lecture notes in Mathematics   129 .
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<br/><br/><label>Dewey Class. No.: </label>515.7  / H713.DC