@article{TIMB_2021_29_1_a11,
     author = {V. E. Khartovskii},
     title = {On some problems of controllability and observability for differential-algebraic systems with aftereffect},
     journal = {Trudy Instituta matematiki},
     pages = {126--137},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMB_2021_29_1_a11/}
}