@article{DE_1979_15_5_a1,
     author = {S. A. Minyuk and N. N. Stepanyuk},
     title = {On the theory of pointwise completeness of linear systems with lag},
     journal = {Differencialʹnye uravneni\^a},
     pages = {784--794},
     publisher = {mathdoc},
     volume = {15},
     number = {5},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_5_a1/}
}