Knowles I.W. Ed. <br/><br/>
Proceeding on spectral theory of differential operations 

 - Amsterdam  North-Holland         1981 
 - xv,384p.  cm. 
 - North-Holland mathematics studies; 55 .
<br/><br/><label>Standard No.: </label>67424 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>B33p1,N81, M1