@article{JSFU_2009_2_2_a8,
     author = {Alexander P. Lyapin},
     title = {Riordan's {Arrays} and {Two-dimensional} {Difference} {Equations}},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {210--220},
     publisher = {mathdoc},
     volume = {2},
     number = {2},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2009_2_2_a8/}
}