@article{PMFA_1993__38_2_a4,
     author = {Nachtigall, D.},
     title = {Krize v\'yuky fyziky a v\'ychodisko},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {101--109},
     publisher = {mathdoc},
     volume = {38},
     number = {2},
     year = {1993},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1993__38_2_a4/}
}