%0 Journal Article %A V. A. Сhupordia %A L. A. Kurdachenko %A N. N. Semko %T On the structure of Leibniz algebras whose subalgebras are ideals or core-free %J Algebra and discrete mathematics %D 2020 %P 180-194 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2020_29_2_a4/ %G en %F ADM_2020_29_2_a4