@article{KYB_1972__8_1_a1,
     author = {Vostr\'y, Zden\v{e}k},
     title = {Zero points of impulse characteristic},
     journal = {Kybernetika},
     pages = {--18},
     publisher = {mathdoc},
     volume = {08},
     number = {1},
     year = {1972},
     mrnumber = {0424345},
     zbl = {0227.93027},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1972__8_1_a1/}
}