Erdos, P <br/><br/>
Combinatorial theory and its applications, Vol.2 

 - Amsterdam  North-Holland  1970 
 - pp395-799 
 - Colloquia Mathematica Societatis Janos Bolyai, 4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMBINATORIAL THEORY<br/>MATHEMATICS
<br/><br/><label>Dewey Class. No.: </label>511.6  / COM