Rueff, Marcel ;      and  & Jeger, Max <br/><br/>
Sets and boolean algebra 

 - George Allen & Unwin Ltd, London  1970 
 - 192p 
<br/><br/><label>ISBN: </label>04 510031 4 
<br/><br/><label>Dewey Class. No.: </label>512.89 Rue/Jeg