Derrick, William R. <br/><br/>
Elementary diferential equations whit applications /  
William R. Derrick. 
 - 1a ed. 
 - Reading, Massachusetts :   Addison-Wesley,   1976 
 - x, 537 p. :  íl. ;  23 cm. 
 - This book is in the addison-wesley series in mathematics .
<br/><br/>Incluye apéndice e índice 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecuaciones diferenciales
<br/><br/><label>LC Class. No.: </label>QA372   / D47 1976