Helffer, Bernard <br/><br/>
Spectral theory and its applications/ 
Bernard Helffer. 
 - v, 255 pages:  illustrations;  24 cm. 
 - Cambridge studies in advanced mathematics;  139 .
 - Cambridge studies in advanced mathematics  139. .
<br/><br/><label>ISBN: </label>9781107032309 110703230X 
<br/><br/><label>LCCN: </label>2012028839 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spectral theory (Mathematics).
<br/><br/><label>Dewey Class. No.: </label>515.722   / H474s