@article{DE_1991_27_7_a10,
     author = {Yu. N. Karamzin and S. V. Polyakov and V. A. Trofimov},
     title = {Difference schemes for problems of absorption bistability in semiconductors},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1185--1196},
     year = {1991},
     volume = {27},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1991_27_7_a10/}
}