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@article{DA_1990_30_a6, author = {A. I. Serdyukov}, title = {Extremal problems on permutations for special classes of matrices}, journal = {Diskretnyj analiz i issledovanie operacij}, pages = {57--60}, publisher = {mathdoc}, number = {30}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DA_1990_30_a6/} }
A. I. Serdyukov. Extremal problems on permutations for special classes of matrices. Diskretnyj analiz i issledovanie operacij, no. 30 (1990), pp. 57-60. http://geodesic.mathdoc.fr/item/DA_1990_30_a6/