%0 Journal Article %A Klíma, Ondřej %A Polák, Libor %T On varieties of literally idempotent languages %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 2008 %P 583-598 %V 42 %N 3 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ita:2008020/ %R 10.1051/ita:2008020 %G en %F ITA_2008__42_3_583_0