Dautray, R & Lions, J-L <br/><br/>
Mathematical analysis & numerical methods for science & technology Vol.3  spectral theory & applications 
R. Dautray & J-L. Lions 
 - Berlin  Springer  1990 
 - x  515 
<br/><br/><label>ISBN: </label>3540502084 
<br/><br/><label>Dewey Class. No.: </label>5.03  / DAUT