Engel, Konrad, <br/><br/>
Sperner theory  
Konrad Engel 
 - Cambridge ;  New York :  Cambridge University Press,  1997. 
 - ix, 417 p :  ill ;  25 cm. 
 - Encyclopedia of mathematics and its applications ;  v. 65. .
<br/><br/> bibliografie , pag 417 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0521452066 
<br/><br/><label>LCCN: </label>lc96020967 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sperner theory.<br/>Partially ordered sets.
<br/><br/><label>LC Class. No.: </label>QA171.485 .E537 1997 
<br/><br/><label>Dewey Class. No.: </label>511.32