@article{CMUC_1990__31_1_a8,
     author = {Kat\v{e}tov, Miroslav},
     title = {On entropy-like functionals and codes for metrized probability spaces. {I.}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {49--66},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1990},
     mrnumber = {1056171},
     zbl = {0696.94004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1990__31_1_a8/}
}