@article{DM_1997_9_2_a1,
     author = {G. P. Gavrilov},
     title = {Closed classes in many-valued logic that contain the class of polynomials},
     journal = {Diskretnaya Matematika},
     pages = {12--23},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1997_9_2_a1/}
}