@article{CMUC_1970_11_3_a0,
     author = {Nov\'ak, Ji\v{r}{\'\i}},
     title = {\"Uber gewisse minimale {Systeme} von $k${-Tupeln}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {397--402},
     year = {1970},
     volume = {11},
     number = {3},
     mrnumber = {0269518},
     zbl = {0206.29302},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1970_11_3_a0/}
}