Higgins, J. R. <br/><br/>
Completeness and basis properties of sets of special functions/ 
J. R. Higgins 
 - 1st ed. 
 -  Cambridge,  2004. 
 - 148 pages 
<br/><br/><label>ISBN: </label>9780521604888 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>515.243  / HIG