De Jager, E. M. <br/><br/>
Spectral theory and asymptotics of differntial equations 
E. M. De Jager 
 - Amsterdam:  North-Holland,  1974. 
 -  208p. 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculas
<br/><br/><label>Dewey Class. No.: </label>515.35  / DES