%0 Journal Article
%A Steinby, Magnus
%T On the solidity of general varieties of tree languages
%J Discussiones Mathematicae. General Algebra and Applications
%D 2012
%P 23-53
%V 32
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DMGAA_2012_32_1_a1/
%G en
%F DMGAA_2012_32_1_a1