Lectures in topology :  The university of michigan conference of 1940 / 
Ed. by Raymond l. wilder and William l. ayres 
 - 316 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topología--Congresos
<br/><br/><label>LC Class. No.: </label>QA611  / L43