Ferrier J.P. <br/><br/>
Spectral Theory and Complex Analysis. Notas de Matematica (49).. 
Ferrier J.P. 
 - Amsterdam-London-NY-North Holland  Publ. Company  1973 
 - 93 p. 
<br/><br/> North Holland Mathematics Studio 
<br/><br/><label>Dewey Class. No.: </label>517.986