%0 Book Section %A Michel, Pierre %T Minimal sets generated by a substitution of non constant length %B International conference on dynamical systems in mathematical physics %A Collectif %S Astérisque %D 1976 %P 143-146 %N 40 %I Société mathématique de France %U http://archive.numdam.org/item/AST_1976__40__143_0/ %G en %F AST_1976__40__143_0