@article{PMFA_1988_33_6_a3,
     author = {Steen, Lynn Arthur},
     title = {Jak \v{z}{\'\i}t s novou matematickou bytost{\'\i}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {332--345},
     year = {1988},
     volume = {33},
     number = {6},
     mrnumber = {0972965},
     zbl = {0592.00045},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1988_33_6_a3/}
}