Smogorzhevsky, A.S. <br/><br/>
Lobachevskyian Geometry. 
A.S. Smogorzhevsky 
 - Moscow:  MIR Publishers,  1976. 
 - 71p. 
<br/><br/><label>Subjects--Index Terms: </label>Lobachevskyian Geometry. 
<br/><br/><label>Universal Decimal Class. No.: </label>514.12  / SMO