Ungar, Abraham Albert <br/><br/>
Barycentric calculus in Euclidean and hyperbolic geometry : A comparative introduction 

 - London  World scientific  2010 
 - xiv,344p. ; 23.5 cm 
<br/><br/><label>ISBN: </label>9789814304931 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>516.22  / UNG