@article{ZVMMF_1999_39_1_a5,
     author = {B. S. Jovanovi\'c and P. P. Matus},
     title = {Estimation of the convergence rate of difference schemes for elliptic problems},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {61--69},
     publisher = {mathdoc},
     volume = {39},
     number = {1},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1999_39_1_a5/}
}