@article{ZVMMF_1997_37_3_a11,
     author = {G. I. Shishkin},
     title = {Grid approximation of a singularly perturbed {Neumann} problem for parabolic equations in the case of a discontinuous boundary function},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {378--381},
     publisher = {mathdoc},
     volume = {37},
     number = {3},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1997_37_3_a11/}
}