@article{DE_1974_10_11_a7,
     author = {M. M. Konstantinov and D. D. Bainov},
     title = {The existence of the solutions of a system of functional equations of superneutral type with iterated lag},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1988--1992},
     publisher = {mathdoc},
     volume = {10},
     number = {11},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_11_a7/}
}