@article{DE_1991_27_11_a4,
     author = {I. T. Kiguradze and D. I. Chichua},
     title = {On the {Kneser} problem for functional-differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1879--1892},
     publisher = {mathdoc},
     volume = {27},
     number = {11},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1991_27_11_a4/}
}