@article{VMUMM_2008_4_a10,
     author = {A. V. Mikhailovich},
     title = {Closed classes generated by symmetric functions in the three-valued logic},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {54--57},
     year = {2008},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2008_4_a10/}
}