@article{CHEB_2021_22_2_a14,
     author = {V. L. Usoltsev},
     title = {The subdirect irreducibility and the atoms of congruence lattices of algebras with one operator and the symmetric main operation},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {257--270},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2021_22_2_a14/}
}