@article{PFMT_2019_2_a14,
     author = {V. B. Tsekhan},
     title = {Complete controllability conditions for linear time-independent system with delay in output},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {97--104},
     publisher = {mathdoc},
     number = {2},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2019_2_a14/}
}