@article{DE_1978_14_7_a21,
     author = {V. M. Marchenko and B. P. Moscowska and Yu. S. Simeonova},
     title = {Pointwise controllability of systems with after effect},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1324--1327},
     publisher = {mathdoc},
     volume = {14},
     number = {7},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_7_a21/}
}