@misc{PMFA_1967_12_5_a0,
     title = {\v{C}eskoslovensko-sov\v{e}tsk\'a v\v{e}deck\'a spolupr\'ace ve fyzice},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {263--265},
     year = {1967},
     volume = {12},
     number = {5},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1967_12_5_a0/}
}