Ungar, Abraham Albert. <br/><br/>
Barycentric calculus in Euclidian and hyperbolic geometry  a comparative introduction /  [electronic resource] : 
Abraham Albert Ungar. 
 - Hackensack, N.J. :  World Scientific,  2010. 
 - xiv, 344 p. :  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><br/>Electronic reproduction. <br/>Palo Alto, Calif. : <br/>ebrary, <br/>2011. <br/>Available via World Wide Web. <br/>Access may be limited to ebrary affiliated libraries. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Analytic.<br/>Calculus.<br/>Geometry, Plane.<br/>Geometry, Hyperbolic.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QA551  / .U54 2010eb