Churchill, Ruel V. <br/><br/>
Fourier series and boundary value problems / 
by Ruel V. Churchill. 
 - 1st ed. 
 - New York, N.Y. :  McGraw-Hill,  1941. 
 - ix, 206 p. 
<br/><br/> Includes index.  This book is produced in full compliance with the government's regulations for conserving paper and other essential materials. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boundary value problems.<br/>Fourier series.<br/>Functions, orthogonal.