@article{KYB_1970_6_5_a3,
     author = {Spal, Jind\v{r}ich},
     title = {Algebraic approach of the root-loci method},
     journal = {Kybernetika},
     pages = {363--381},
     year = {1970},
     volume = {6},
     number = {5},
     mrnumber = {0281518},
     zbl = {0203.46605},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1970_6_5_a3/}
}