@article{KYB_1974_10_2_a2,
     author = {H\'ajek, Petr},
     title = {Automatic listing of important observational statements. {III}},
     journal = {Kybernetika},
     pages = {95--124},
     year = {1974},
     volume = {10},
     number = {2},
     mrnumber = {0416897},
     zbl = {0289.68047},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1974_10_2_a2/}
}