@article{VMUMM_2011_3_a8,
     author = {V. A. Kukhta},
     title = {Some summation formula},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {45--46},
     publisher = {mathdoc},
     number = {3},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2011_3_a8/}
}