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@article{IVM_2008_12_a9, author = {M. A. Lukin}, title = {Semiring joins of a ring and semifield}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {76--80}, publisher = {mathdoc}, number = {12}, year = {2008}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2008_12_a9/} }
M. A. Lukin. Semiring joins of a ring and semifield. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (2008), pp. 76-80. http://geodesic.mathdoc.fr/item/IVM_2008_12_a9/