Gabriel, Peter,  1933- <br/><br/>
Calculus of fractions and homotopy theory/ 
P. Gabriel and M. Zisman. 
 - Berlin;  New York:  Springer-Verlag,  1967. 
 - x, 168 p.;  24 cm. 
 - Ergebnisse der Mathematik und ihrer Grenzgebiete;  Bd. 35. .
<br/><br/>Bibliography: p. 163-164. 
<br/><br/><label>LCCN: </label>67010470 //r842 
<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   / G118c