Rayner, J. N. <br/><br/>
An introduction to spectral analysis / 
[by] J.N. Rayner. 
 - London :  Pion,  [c1971]. 
 - [6], 174 p. :  ill. 
 - Monographs in spatial and environmental systems analysis .
<br/><br/><label>ISBN: </label>0850860261 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spectral theory (Mathematics).