@article{10_4064_sm194_3_1,
     author = {Alvaro Coronel and Alejandro Maass and Song Shao},
     title = {Sequence entropy and rigid $\sigma$-algebras},
     journal = {Studia Mathematica},
     pages = {207--230},
     year = {2009},
     volume = {194},
     number = {3},
     doi = {10.4064/sm194-3-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm194-3-1/}
}