Krein M G <br/><br/>
Topics in differential and integral equations and operator theory. 
Krein M G 
 -  1983 
<br/><br/><label>Standard No.: </label>16687 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B33,1, M3