@article{DE_2001_37_7_a15,
     author = {G. I. Shishkin},
     title = {Grid {Approximations} to {Singularly} {Perturbed} {Parabolic} {Equations} with {Turning} {Points}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {987--999},
     publisher = {mathdoc},
     volume = {37},
     number = {7},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2001_37_7_a15/}
}