Frank, Philipp <br/><br/>
Die differential und integralgleichungen 
Philipp Frank and  Richard Von Mises                                     
 - New York  Mary S. Rosenberg  1943 
 - xxiii, 916p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential Equations
<br/><br/><label>Universal Decimal Class. No.: </label>517.91  / FRA