Erdelyi, I & Lange, R <br/><br/>
Spectral decompositions on banach spaces 
I. Erdelyi & R. Lange 
 - Berlin  Springer  1977 
 - vii  122 
 - Lecture notes in mathematics 623 .
<br/><br/><label>ISBN: </label>3540085254 
<br/><br/><label>Dewey Class. No.: </label>5.03+22  / ERDE