@article{DE_1990_26_7_a10,
     author = {I. A. Blatov and V. V. Strygin},
     title = {Convergence of the spline-collocation method for singularly perturbed boundary value problems on locally uniform grids},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1191--1197},
     publisher = {mathdoc},
     volume = {26},
     number = {7},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_7_a10/}
}