@article{AUPO_1982__21_1_a2,
     author = {Rach\r{u}nek, Ji\v{r}{\'\i}},
     title = {A characterization of ordered groups by means of segments},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {33--35},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {1982},
     mrnumber = {0702605},
     zbl = {0524.06030},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1982__21_1_a2/}
}