Lecture notes in mathematics  : advances in non-commutative ring theory 
edited by A. Dold and B. Eckmann 
 - New York:  Springer-Verlag,  1982. 
 - 142p. 
<br/><br/><label>ISBN: </label>3540119728 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry differential 
<br/><br/><label>Dewey Class. No.: </label>510  / LEC