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@article{IVM_2004_3_a11, author = {I. K. Sharankhaev}, title = {On {Boolean} bases of the second level}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {81--82}, publisher = {mathdoc}, number = {3}, year = {2004}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2004_3_a11/} }
I. K. Sharankhaev. On Boolean bases of the second level. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (2004), pp. 81-82. http://geodesic.mathdoc.fr/item/IVM_2004_3_a11/