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@article{IVM_1991_11_a2, author = {A. A. Budagov}, title = {Moduli of continuity of permutations, and multiplicative inequalities}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {13--19}, publisher = {mathdoc}, number = {11}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1991_11_a2/} }
A. A. Budagov. Moduli of continuity of permutations, and multiplicative inequalities. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1991), pp. 13-19. http://geodesic.mathdoc.fr/item/IVM_1991_11_a2/