@article{SJVM_1998_1_2_a0,
     author = {E. G. Bykova and V. V. Shaidurov},
     title = {A~nonuniform difference scheme with fourth order of accuracy in a~domain with smooth boundary},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {99--117},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_1998_1_2_a0/}
}