@article{DAN_1986_286_2_a1,
     author = {K. V. Emel'yanov},
     title = {A difference scheme for a singularly perturbed boundary value},
     journal = {Doklady Akademii Nauk},
     pages = {269--272},
     publisher = {mathdoc},
     volume = {286},
     number = {2},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_286_2_a1/}
}