@article{10_21136_CPM_1966_108105,
     author = {Kart\'ak, Karel},
     title = {A theorem on continuous dependence on a parameter},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {178--184},
     publisher = {mathdoc},
     volume = {091},
     number = {2},
     year = {1966},
     doi = {10.21136/CPM.1966.108105},
     mrnumber = {0200508},
     zbl = {0168.34103},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1966.108105/}
}