Sommerville, D, M, Y, <br/><br/>
An Introduction To The Geometry of N Dimensions  Textual Documents 
Sommerville, D, M, Y 
 - New York:  Dover Publications,Inc,  1958. 
 - XVII,196p. 
<br/><br/><label>Subjects--Index Terms: </label>Desargue`s Theorem,Independent Points,Duality,Perpendicularity,Transitivity of Parallelism