@article{IIGUM_2019_27_a2,
     author = {P. V. Danchev},
     title = {Left-right cleanness and nil cleanness in unital rings},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {28--35},
     publisher = {mathdoc},
     volume = {27},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2019_27_a2/}
}