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@article{TIMB_2015_23_2_a4, author = {D. B. Efimov}, title = {On upper bound of permanents}, journal = {Trudy Instituta matematiki}, pages = {37--42}, publisher = {mathdoc}, volume = {23}, number = {2}, year = {2015}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TIMB_2015_23_2_a4/} }
D. B. Efimov. On upper bound of permanents. Trudy Instituta matematiki, Tome 23 (2015) no. 2, pp. 37-42. http://geodesic.mathdoc.fr/item/TIMB_2015_23_2_a4/