Ewing, John H, ed. <br/><br/>
Paul Halmost celberating 50 years of mathematics 

 - New York  Springer-Verlag  1991 
 - viiii p. ; 320 
<br/><br/><label>ISBN: </label> DM98 
<br/><br/><label>Dewey Class. No.: </label>515.092 H739P