@article{10_21136_MB_2020_0160_18, author = {Najafi, Ardavan and Borumand Saeid, Arsham}, title = {Engel {BCI-algebras:} an application of left and right commutators}, journal = {Mathematica Bohemica}, pages = {133--150}, publisher = {mathdoc}, volume = {146}, number = {2}, year = {2021}, doi = {10.21136/MB.2020.0160-18}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2020.0160-18/} }