Duff, G.F.D. <br/><br/>
Differential equations of applied mathematics. 

 - New York :  John Willey,  1966. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecuaciones diferenciales
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>517.9