@article{DE_1970_6_8_a2,
     author = {R. Gabasov and V. V. Krakhotko},
     title = {Relative controllability of linear stationary systems with deviating argument of neutral type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1359--1365},
     year = {1970},
     volume = {6},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1970_6_8_a2/}
}