Frischauf, Johannes,  1837-1924 <br/><br/>
Elemente der Absoluten Geometrie 

 - 1 online resource :  multiple file formats 
<br/><br/> Release date is 2009-08-26 
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<br/><br/><label>Subjects--Index Terms: </label>Geometry, Non-Euclidean 
<br/><br/><label>LC Class. No.: </label>QA