Richard  E. Williamson <br/><br/>
Introduction to differential equations ODE, PDE and Series 

 - California  Prentice Hall  1986 
 - 443p 
<br/><br/>Richard  E. Williamson: Introduction to differential equations ODE, PDE and Series.  California.  Prentice Hall, 1986. 0-13-480987-0--(515.35WIL)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-13-480987-0 
<br/><br/><label>Dewey Class. No.: </label>515.35  / WIL