%0 Journal Article %A Elham Mohammadzadeh %A Rajab Ali Borzooei  %T Engel, nilpotent and solvable BCI-algebras %J Analele Universităţii "Ovidius" Constanţa Seria Matematică %D 2019 %V XXVII %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ASUO_2019_XXVII_1_a12/ %F ASUO_2019_XXVII_1_a12