Copson, E. T.  1901- <br/><br/>
Partial differential equations / 
by E. T. Copson. 
 - Cambridge :  New York :  Cambridge University Press,  1975. 
 - vii, 280 p. ;  24 cm. 
<br/><br/>Includes index. Bibliography: p. 277. 
<br/><br/><label>ISBN: </label>0521205832 : 0521098939 (pbk. :) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial.
<br/><br/><label>Dewey Class. No.: </label>515.353  / COP 1975