%0 Journal Article
%A Pin, Jean-Éric
%A Straubing, Howard
%T Some results on $\mathcal {C}$-varieties
%J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
%D 2005
%P 239-262
%V 39
%N 1
%I EDP-Sciences
%U http://www.numdam.org/articles/10.1051/ita:2005014/
%R 10.1051/ita:2005014
%G en
%F ITA_2005__39_1_239_0