@article{DE_1997_33_9_a7,
     author = {V. V. Bilai and N. Ya. Tikhonenko},
     title = {On the theory of solvability and approximate solution of infinite {Wiener--Hopf} systems with difference and sum indices},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1220--1226},
     publisher = {mathdoc},
     volume = {33},
     number = {9},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1997_33_9_a7/}
}