@article{KYB_1996_32_6_a5,
     author = {Klamka, Jerzy},
     title = {Controllability of retarded dynamical systems},
     journal = {Kybernetika},
     pages = {591--600},
     year = {1996},
     volume = {32},
     number = {6},
     mrnumber = {1438107},
     zbl = {1043.93509},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1996_32_6_a5/}
}