%0 Journal Article %A Juhani Karhumäki %A Aleksi Saarela %T On maximal chains of systems of word equations %J Informatics and Automation %D 2011 %P 130-136 %V 274 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2011_274_a7/ %G en %F TRSPY_2011_274_a7