Pfanzagl, J. and Pierlo, W. <br/><br/>
Compact systems of sets   

 - Berlin  Springer-Verlag  1966 
 - 48p. 
 - Lecture notes in Mathematics   16 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>515.42  / P523.CS