%0 Journal Article %A Lange, Martin %T Three notes on the complexity of model checking fixpoint logic with chop %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 2007 %P 177-190 %V 41 %N 2 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/ita:2007011/ %R 10.1051/ita:2007011 %G en %F ITA_2007__41_2_177_0