Gabriel, Peter <br/><br/>
Calculus of fractions and homotopy theory 
P. Gabriel; M. Zisman 
 - Berlin; Heidelberg; New York:  Springer,  1967 
 - X, 168 p.  ill  24 cm 
 - Ergebnisse der Mathematik und ihrer Grenzgebiete  Band 35 .
<br/><br/> Bibliografie p. 163<br/>Index p. 165 
<br/><br/><br/>eng 
<br/><br/><label>LCCN: </label>67010470 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topologie algebrica
<br/><br/><label>Dewey Class. No.: </label>514.24