Ljapin, E. S. <br/><br/>
Semigroups / 
Ljapin E. S.,  [Translated from the Russian by A.A. Brown and others]. 
 - Providence :  American Mathematical Society,  1963. 
 - vii, 447 p. ;  23 cm. 
 - Translations of mathematical monographs ;  v. 3 .
 -  v. 3 Translations of mathematical monographs ; .
<br/><br/> "Publication aided by grant NSF-GN 57 from the National Science Foundation." 
<br/><br/>nclude bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Semigroups.
<br/><br/><label>Dewey Class. No.: </label>512.86  / LJS 1963