@article{DE_1979_15_7_a3,
     author = {V. L. Makarov and I. L. Makarov and V. G. Prikazchikov},
     title = {Exact difference schemes and schemes of any order of accuracy for systems of second-order differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1194--1205},
     publisher = {mathdoc},
     volume = {15},
     number = {7},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_7_a3/}
}