Petrovsky, I. G. <br/><br/>
Lectures on partial differential equations / 
Translated from the Russian by A. Shenitzer. 
 - 1st English ed. 
 - New York :  Interscience Publishers,  c1954. 
 - x,245p. :  ill. ;  23 cm. 
<br/><br/>
<br/><br/><br/>english 
<br/><br/><label>LCCN: </label>55000857  
<br/><br/><label>Nat. Bib. No.: </label>GB55-3504 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial.
<br/><br/><label>LC Class. No.: </label>QA377  / .P433 
<br/><br/><label>Dewey Class. No.: </label>517.38/PEL