@article{COMIM_2016__24_1_a3,
     author = {Fri\v{c}, Roman and Pap\v{c}o, Martin},
     title = {Upgrading {Probability} via {Fractions} of {Events}},
     journal = {Communications in Mathematics},
     pages = {29--41},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {2016},
     mrnumber = {3546805},
     zbl = {06670230},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/COMIM_2016__24_1_a3/}
}