@article{CMUC_1986__27_3_a9,
     author = {Kat\v{e}tov, Miroslav},
     title = {On extended {Shannon} entropies and the epsilon entropy},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {519--534},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {1986},
     mrnumber = {873625},
     zbl = {0608.94002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1986__27_3_a9/}
}