@article{DE_1994_30_9_a18,
     author = {N. Ya. Tikhonenko},
     title = {On an approximate solution of two-sided three-element boundary value problems with a shift, and their applications},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1645--1651},
     publisher = {mathdoc},
     volume = {30},
     number = {9},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1994_30_9_a18/}
}