01131nam a2200337 i 450099100136684970753620020507192158.0991025s1997 uk ||| | eng 0521452066b10837644-39ule_instLE01311181ExLDip.to Matematicaeng511.32AMS 05D05AMS 06A07AMS 90C27QA171.485.E537Engel, Konrad536906Sperner theory /Konrad EngelCambridge :Cambridge University Press,1997ix, 417 p. :ill. ;24 cm.Encyclopedia of mathematics and its applications ;65Includes bibliographical references and indexPartially ordered setsSperner theory.b1083764423-02-1728-06-02991001366849707536LE013 05D ENG11 (1997)12013000117898le013-E0.00-l- 02020.i1094741328-06-02Sperner theory924024UNISALENTOle01301-01-99ma -enguk 01