Ayer, Alfred Jules  (1910-1989) <br/><br/>
The Problem of knowledge  [Texte imprimé] / 
A. J. Ayer 
 - Harmondsworth:  Penguin Books,  1982 
<br/><br/><label>ISBN: </label>0-1402-0377-X 
<br/><br/><label>Dewey Class. No.: </label>121