@article{10_4064_ap107_1_3,
     author = {Lidong Wang and Yingnan Li and Yuelin Gao and Heng Liu},
     title = {Distributional chaos of time-varying discrete
 dynamical systems},
     journal = {Annales Polonici Mathematici},
     pages = {49--57},
     publisher = {mathdoc},
     volume = {107},
     number = {1},
     year = {2013},
     doi = {10.4064/ap107-1-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap107-1-3/}
}