@article{PMFA_1998_43_4_a7,
     author = {H\'ajek, Petr},
     title = {Je\v{s}t\v{e} o element\'arn{\'\i} logice},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {324--325},
     year = {1998},
     volume = {43},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1998_43_4_a7/}
}