Gould, Sydney H.  1909- <br/><br/>
Variational methods for eigenvalue problems :  an introduction to the methods of Rayleigh, Ritz, Weinstein, and Aronszajn. / 
Sydney H. Gould 
 - Toronto :  University of Toronto Press,  c1957. 
 - xii,179 p. :  ill. ;  23 cm. 
 - Mathematical expositions,  no. 10 .
 -  no. 10. Mathematical expositions ; .
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus of variations.<br/>Differential equations.<br/>Vibration.
<br/><br/><label>Dewey Class. No.: </label>515.64  / GOV 1957