@article{JSFU_2023_16_2_a0,
     author = {Andrey A. Grigoriev and Evgeniy K. Leinartas and Alexander P. Lyapin},
     title = {Summation of functions and polynomial solutions to a multidimensional difference equation},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {153--161},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {2023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2023_16_2_a0/}
}