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

 - New Delhi  Intercultural Publications  1954 
 - 245p 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential Equatons--Mathematics--Mathematics
<br/><br/><label>Dewey Class. No.: </label>515.353  / PET-L