Weidmann, Joachim <br/><br/>
Spectral theory of ordinary differential operators 
Joachim Weidmann. -- 
 - Berlin  New York  Springer-Verlag  c1987 
 - vi, 303 p. --  25 cm 
 - Lecture notes in mathematics (Springer-Verlag)  1258 .
<br/><br/> Contine bibliogr. si index 
<br/><br/><label>ISBN: </label>038717902X (U.S.) 
<br/><br/><label>LCCN: </label>87012761 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential operators<br/>Spectral theory (Mathematics)