@article{10_21136_CMJ_1983_101914,
     author = {Kat\v{e}tov, Miroslav},
     title = {Extended {Shannon} entropies. {I}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {564--601},
     publisher = {mathdoc},
     volume = {33},
     number = {4},
     year = {1983},
     doi = {10.21136/CMJ.1983.101914},
     mrnumber = {721088},
     zbl = {0542.94007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1983.101914/}
}