@article{DE_1993_29_8_a4,
     author = {Yu. F. Dolgii and E. N. Putilova},
     title = {Backward continuation of solutions of a linear differential equation with delay as an ill-posed problem},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1317--1323},
     publisher = {mathdoc},
     volume = {29},
     number = {8},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1993_29_8_a4/}
}