@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/}
}