Advances in differential geometry and topology / 
editor, F. Tricerri 
 - Singapore:  World Scientific,  1990 
 - 184 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>9810204957 
<br/><br/><label>LCCN: </label>90-021416 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Differential<br/>Topology