%0 Journal Article %A Alvaro Coronel %A Alejandro Maass %A Song Shao %T Sequence entropy and rigid $\sigma$-algebras %J Studia Mathematica %D 2009 %P 207-230 %V 194 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4064/sm194-3-1/ %R 10.4064/sm194-3-1 %G en %F 10_4064_sm194_3_1