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@article{IVM_1973_2_a5, author = {S. A. Liber}, title = {Topological ringoids over universal algebras}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {58--63}, publisher = {mathdoc}, number = {2}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1973_2_a5/} }
S. A. Liber. Topological ringoids over universal algebras. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1973), pp. 58-63. http://geodesic.mathdoc.fr/item/IVM_1973_2_a5/