Nathan, David Solomon,  1900-, <br/><br/>
Analytic geometry / 
By David s. nathan and olaf helmer. 
 - x, 402 páginas 
 - Prentice-hall mathematics series .
<br/><br/> "answers to odd -numbered problems": p. 375-93 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometría analítica
<br/><br/><label>LC Class. No.: </label>QA551  / N3