Kartashova Anna Vladimirovna RussiaВолгоград Volgograd State Socio-pedagogical University, Russia, 400066, Volgograd, Lenina pr., 27. docent Candidate of physico-mathematical scienceskartashovaan@yandex.ru Author's articles On Conditions for Distributivity or Modularity of Congruence Lattices of Commutative Unary Algebras On Congruence Lattices of Direct Sums of Strongly Connected Commutative Unary Algebras
