Weidmann Joachim <br/><br/>
Spectral theory of ordinary differntial operators 
Weidmann Joachim 
 - Berlin  Springer Verlag          1987 
 - 303p.  cm. 
 - Lecture notes in mathematics; 1258 .
<br/><br/> Bibliography 295-300p 
<br/><br/><label>Standard No.: </label>24311 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B33, M7