Completeness and basis properties of sets of special functions 
by J. R. Higgins, Bela Bollobas (Editor), W. Fulton ( 
 - New york  2004 
 - x,134p 
<br/><br/><label>ISBN: </label>9780521604888 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics<br/>Special function
<br/><br/><label>Dewey Class. No.: </label>515.5 HIG