@article{VVGUM_2014_2_a3,
     author = {V. V. Popov},
     title = {{\CYRO}n the congruence lattices of periodic unary algebras},
     journal = {Matemati\v{c}eska\^a fizika i kompʹ\^uternoe modelirovanie},
     pages = {27--30},
     publisher = {mathdoc},
     number = {2},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VVGUM_2014_2_a3/}
}