@article{DAN_1960_131_4_a12,
     author = {A. N. Tikhonov and A. A. Samarskii},
     title = {On canonical homogeneous difference schemes},
     journal = {Doklady Akademii Nauk},
     pages = {761--764},
     publisher = {mathdoc},
     volume = {131},
     number = {4},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_131_4_a12/}
}