@article{DM_2021_33_2_a1,
     author = {V. B. Alekseev},
     title = {On closed classes in partial $k$-valued logic that contain all polynomials},
     journal = {Diskretnaya Matematika},
     pages = {6--19},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2021_33_2_a1/}
}