@article{ISU_2015_15_1_a6,
     author = {A. A. Ryzhkova and I. A. Trishina},
     title = {Almost periodic at infinity solutions of difference equations},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {45--49},
     year = {2015},
     volume = {15},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2015_15_1_a6/}
}