TY - JOUR AU - V. L. Usoltsev TI - The subdirect irreducibility and the atoms of congruence lattices of algebras with one operator and the symmetric main operation JO - Čebyševskij sbornik PY - 2021 SP - 257 EP - 270 VL - 22 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2021_22_2_a14/ LA - ru ID - CHEB_2021_22_2_a14 ER -