Duisengaliyeva Б., and Naurazbekova А. “Tame Automorphisms of a Free Dual Leibniz Algebra of Rank Two”. Bulletin of L.N. Gumilyov Eurasian National University. Mathematics, Computer Science, Mechanics Series, vol. 143, no. 2, June 2023, pp. 13-34, doi:10.32523/2616-7182/bulmathenu.2023/2.2.