@article{paperid:1065630, author = {Sh. Lotfi and Rajabzadeh Moghaddam, Mohammad Reza and M. Taheri}, title = {SOME PROPERTIES OF PERFECT LIE RINGS}, journal = {JP Journal of Algebra, Number Theory and Applications}, year = {2017}, volume = {39}, number = {2}, month = {April}, issn = {0972-5555}, pages = {247--260}, numpages = {13}, keywords = {perfect Lie rings; Schur multiplier; central extension; cover of Lie rings.}, }