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@article{IVM_2006_11_a4, author = {V. A. Kolmykov}, title = {On the commutativity relation in semigroups of injections}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {26--28}, publisher = {mathdoc}, number = {11}, year = {2006}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2006_11_a4/} }
V. A. Kolmykov. On the commutativity relation in semigroups of injections. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (2006), pp. 26-28. http://geodesic.mathdoc.fr/item/IVM_2006_11_a4/