@article{DM_2014_26_2_a3,
     author = {S. D. Loshkarev},
     title = {Calculating the number of solutions of a~difference equation},
     journal = {Diskretnaya Matematika},
     pages = {42--57},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2014_26_2_a3/}
}