Satyanarayana, M. <br/><br/>
Positively ordered semigroups   

 - New York  Marcel Dekker  1979 
 - v, 102p. Index 
 - Lecture notes in Pure and Applied Mathematics   42 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>512  / Sa254.PO