@article{DE_1994_30_2_a11,
     author = {V. L. Makarov and V. V. Guminsky},
     title = {FD-schemes of any order of accuracy (uniform with respect to $\epsilon$) for singularly perturbed systems of second-order ordinary differential equations with piecewise-smooth coefficients},
     journal = {Differencialʹnye uravneni\^a},
     pages = {292--301},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1994_30_2_a11/}
}