@article{VMUMM_2019_6_a7,
     author = {L. N. Sysoeva},
     title = {Quasiuniversal {Boolean} automaton with four constant states},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {51--55},
     year = {2019},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2019_6_a7/}
}