@article{IIMI_2015_46_2_a3,
     author = {A. V. Vasil'ev and V. B. Vasil'ev},
     title = {Difference and discrete equations on the real axis and the semiaxis},
     journal = {Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta},
     pages = {29--37},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIMI_2015_46_2_a3/}
}