Fortsyth, A.R. <br/><br/>
Geometry of four dimensions 

 - Cambridge:   Cambridge University Press,   1930. 
 - vol. 1, xxix, 468 p.:   graf., il.;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOMETR� A<br/>GEOMETR� A ANAL� TICA<br/>CURVES<br/>CONFIGURACIONES MULTIPOLARES
<br/><br/><label>Subjects--Index Terms: </label>PLANOS