@article{PDM_2015_1_a1,
     author = {A. V. Mikhailovich},
     title = {Closed classes of three-valued logic functions generated by symmetric functions with a~bounded number of layers},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {17--26},
     publisher = {mathdoc},
     number = {1},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2015_1_a1/}
}