@article{DE_1980_16_7_a4,
     author = {A. V. Gulin},
     title = {Stability criteria for certain nonselfadjoint three-layer difference schemes},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1205--1210},
     year = {1980},
     volume = {16},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1980_16_7_a4/}
}