@article{IZKAB_2008_6_a1,
     author = {M. M. Lafisheva and A. R. Bechelova and N. I. Lafisheva},
     title = {On convergence of the difference schemes
},
     journal = {News of the Kabardin-Balkar scientific center of RAS},
     pages = {142--148},
     publisher = {mathdoc},
     number = {6},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IZKAB_2008_6_a1/}
}