@article{ZVMMF_2017_57_5_a4,
     author = {G. I. Shishkin},
     title = {Computer difference scheme for a singularly perturbed elliptic convection-diffusion equation in the presence of perturbations},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {814--831},
     year = {2017},
     volume = {57},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2017_57_5_a4/}
}