Duff, G. F. D.,  1926- <br/><br/>
Differential equations of applied mathematics / 
By g.f.d. duff and d. naylor. 
 - 423 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecuaciones diferenciales
<br/><br/><label>LC Class. No.: </label>QA371  / D83