Zachmanoglou, E. C. <br/><br/>
Introduction to partial differential equations with applications / 
by E. C. Zachmanoglou, Dale W. Thoe. 
 - Baltimore :  Williams & Wilkins,  1976. 
 - x, 405 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography : p. 395-396. 
<br/><br/><label>ISBN: </label>0683093649 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial.