@article{10_21136_CMJ_1976_101387,
     author = {Sm{\'\i}tal, Jaroslav},
     title = {A necessary and sufficient condition for continuity of additive functions},
     journal = {Czechoslovak Mathematical Journal},
     pages = {171--173},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1976},
     doi = {10.21136/CMJ.1976.101387},
     mrnumber = {0402317},
     zbl = {0332.26005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101387/}
}