@article{IIMI_2012_1_a33,
     author = {A. Yu. Kulikov},
     title = {Regions of stability for a difference equation},
     journal = {Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta},
     pages = {74--75},
     year = {2012},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIMI_2012_1_a33/}
}