@article{DE_1996_32_5_a15,
     author = {G. I. Shishkin},
     title = {Grid approximation of singularly perturbed equations with convective terms in the case of mixed boundary conditions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {689--701},
     publisher = {mathdoc},
     volume = {32},
     number = {5},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1996_32_5_a15/}
}