Petrovsky, I.G <br/><br/>
Lectures On Partial Differential Equations 

 - New York  Interscience Publishers, Inc.   1966 
 - 245p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Partial Differential Equations
<br/><br/><label>Dewey Class. No.: </label>515.353 PET/L