Titchmarsh, E C <br/><br/>
Eigenfunction expansions :  associated with second-order differential equations / 
by E C Titchmarsh 
 - 2nd ed. 
 - Oxford :  Clarendon press,  1962. 
<br/><br/> Part I<br/>Part II 
<br/><br/><label>Dewey Class. No.: </label>517.38   / TIT