@article{DAN_1978_242_3_a5,
     author = {N. N. Kuznetsov and S. A. Voloshin},
     title = {On the stability of a class of implicit finite-difference schemes},
     journal = {Doklady Akademii Nauk},
     pages = {525--528},
     publisher = {mathdoc},
     volume = {242},
     number = {3},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_242_3_a5/}
}