Titchmarsh, E. C. <br/><br/>
Eigenfunction expansions associated with second-order differential equations. 

 - 2d ed. 
 - Oxford,  Clarendon Press,  1962- 
 - v. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.<br/>Series, Infinite.<br/>Harmonic analysis.<br/>Boundary value problems.<br/>Eigenfunction expansions.
<br/><br/><label>Universal Decimal Class. No.: </label>517.927  / TIT