Gabriel, P. <br/><br/>
Calculus of fractions and homotopy theory / 
P. Gabriel and M. Zisman. 
 - New York :  Springer-Verlag,  c1967. 
 - x, 168 p. ;  24 cm. 
 - Ergebnisse der Mathematik und ihrer Grenzgebiete,  Bd. 35 .
<br/><br/>Include bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Homology theory.<br/>Homotopy theory.<br/>Categories (Mathematics)
<br/><br/><label>Dewey Class. No.: </label>514.24  / GAC 1967