Greenspan, D. <br/><br/>
Intro. to partial differential equations 

 - Delhi  Tata McGraw-Hill  1961 
 - viii,195p.  23cm. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Differential Equation
<br/><br/><label>Dewey Class. No.: </label>515.353  / G78I