BELLMAN, RICHARD <br/><br/>
MODERN ELEMENTARY DIFFERENTIAL EQUATIONS 

 - 2ND ED. 
 - Estados Unidos  ADDISON-WESLEY  1971 READING 
 - 228 
<br/><br/><label>LCCN: </label>19425 
<br/><br/><label>Dewey Class. No.: </label>515.35