Rosenfeld, B.A & Sergeeva, N.D <br/><br/>
Stereographic projection 
B.A. Rosenfeld & N.D. Sergeeva 
 - Moscow  MIR Publishers  1977 
 - 53 
 - Little mathematics library .
<br/><br/><label>Dewey Class. No.: </label>8.02  / ROSE