Betz, Herman <br/><br/>
Differential equations with applications /  
Herman Betz, Paul B. Burcham, George M. Ewing. 
 - 2a ed. 
 - NEw York :  Harper & Row, publishers,  r1964 
 - xi, 354 p. :  íl. ;  22 cm. 
 - A harper international student reprint .
<br/><br/>Incluye apéndice e índice 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecuaciones Diferenciales
<br/><br/><label>LC Class. No.: </label>QA371  / B48 1964