YOUNG, Eutiquio C. <br/><br/>
Partial Differential Equations  an introduction 

 - Boston  Allyn and Bacon   1972 
 - x, 346p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial
<br/><br/><label>Dewey Class. No.: </label>515.353  / YOU-P