@article{TM_1971_112_a9,
     author = {E. A. Volkov},
     title = {Effective error estimates for difference solutions of boundary value problems in ordinary differential equations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {141--151},
     publisher = {mathdoc},
     volume = {112},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1971_112_a9/}
}