Spectral theory and differential equations:  proceeding of the symposium held at Dundee, Scotland, 1-19 July, 1974/ 
eited by W. N. Everitt 
 - Berlin:  Springer-Verlag,  1975. 
 - 321 pages ;  24 cm. 
 - Lecture notes in mathematics  448 .
<br/><br/><label>ISBN: </label>3540071504 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations--Congresses.<br/>Differential operators--Congresses.<br/>Spectral theory (Mathematics)--Congresses.