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@article{DM_1989_1_1_a1, author = {M. M. Glukhov}, title = {$\alpha$-closed classes and $\alpha$-complete systems of functions of $k$-valued logic}, journal = {Diskretnaya Matematika}, pages = {1--7}, publisher = {mathdoc}, volume = {1}, number = {1}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DM_1989_1_1_a1/} }
M. M. Glukhov. $\alpha$-closed classes and $\alpha$-complete systems of functions of $k$-valued logic. Diskretnaya Matematika, Tome 1 (1989) no. 1, pp. 1-7. http://geodesic.mathdoc.fr/item/DM_1989_1_1_a1/