@article{DE_1973_9_4_a15,
     author = {E. A. Volkov},
     title = {Pointwise error estimates of the difference solution of a boundary value problem for an ordinary differential equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {717--726},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_4_a15/}
}