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@article{IVM_1976_7_a6, author = {Ya. P. Lumel'skii and L. M. Tsirul'nikova}, title = {Probabilistic proof of combinatorial identities}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {52--55}, publisher = {mathdoc}, number = {7}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1976_7_a6/} }
Ya. P. Lumel'skii; L. M. Tsirul'nikova. Probabilistic proof of combinatorial identities. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1976), pp. 52-55. http://geodesic.mathdoc.fr/item/IVM_1976_7_a6/