%0 Journal Article %A Mieczysław Mentzen %T Invariant sub-σ-algebras for substitutions of constant length %J Studia Mathematica %D 1989 %P 257-273 %V 92 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-92-3-257-273/ %R 10.4064/sm-92-3-257-273 %G en %F 10_4064_sm_92_3_257_273