Lobachevski,Nicholas. <br/><br/>
The Theory of Parallels  Textual Documents 

 - 1914. 
 - U.S.A.:  Chicago-London,  1914. 
 - 50p.:  00472. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Parrelel Theory,Theory of Parallels.
<br/><br/><label>Dewey Class. No.: </label>513.84 LOB