Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1978_24_2_a17, author = {N. Ya. Vilenkin and L. M. Koganov}, title = {Combinatorial proof of certain identities}, journal = {Matemati\v{c}eskie zametki}, pages = {295--299}, publisher = {mathdoc}, volume = {24}, number = {2}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1978_24_2_a17/} }
N. Ya. Vilenkin; L. M. Koganov. Combinatorial proof of certain identities. Matematičeskie zametki, Tome 24 (1978) no. 2, pp. 295-299. http://geodesic.mathdoc.fr/item/MZM_1978_24_2_a17/