BROWN, B.M. et.al. <br/><br/>
PERIODIC DIFFERENTIAL OPERATORS 

 - NEW YORK  Springer  2013 
 - vii+216p.,24x16Cms. 
<br/><br/><label>ISBN: </label>978303480527 
<br/><br/><label>Dewey Class. No.: </label>517.38 B877