@article{ZVMMF_1998_38_4_a6,
     author = {N. V. Kopteva},
     title = {The two-dimensional {Sobolev} inequality in the case of an arbitrary grid},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {596--599},
     publisher = {mathdoc},
     volume = {38},
     number = {4},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1998_38_4_a6/}
}