Bernstein, Dorothy Lewis,  1914- <br/><br/>
Existence theorems in partial differential equations / 
Dorothy L. Bernstein. 
 - Princeton :  Princeton University Press,  1950[Reprinting 1951]. 
 - vii, 228 p. :  ill. ;  26 cm. 
<br/><br/> "Prepared for the Office of Naval Research by Engineering Research Associates, inc., under contract N6onr-240." 
<br/><br/>Includes bibliographical references (p. 217-228) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial.<br/>Numerical calculations.
<br/><br/><label>Dewey Class. No.: </label>517.383  / BEE 1951