Guzman, Miguel de <br/><br/>
Lecture Notes in Mathematics 
/ by Miguel de Guzman 
 - New York:  Springer-Verlag ;  1975. 
 - 226p. 
<br/><br/><label>ISBN: </label>0-387-07399-X 
<br/><br/><label>Dewey Class. No.: </label>510.8  / GUZ/L