Kulczycki, Stefan. <br/><br/>
Non-Euclidean geometry/ 
Translated from Polish by Stanislaw Knapowski. 
 - Oxford:  New York:  Pergamon Press,  [1961]. 
 - 208 p.:  illus.,  28 cm. 
 - International series of monographs on pure and applied mathematics;  v. 16. .
 - International series of monographs in pure and applied mathematics;  v. 16. .
<br/><br/><label>LCCN: </label>60014187 /L 
<br/><br/><label>Nat. Bib. No.: </label>GB61-15746 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Non-Euclidean.
<br/><br/><label>Dewey Class. No.: </label>516.1  / K96n