@article{10_1017_S0017089504001727,
     author = {NICHOLSON, W. K. and ZHOU, Y.},
     title = {RINGS {IN} {WHICH} {ELEMENTS} {ARE} {UNIQUELY} {THE} {SUM} {OF} {AN} {IDEMPOTENT} {AND} {A} {UNIT}},
     journal = {Glasgow mathematical journal},
     pages = {227--236},
     year = {2004},
     volume = {46},
     number = {2},
     doi = {10.1017/S0017089504001727},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089504001727/}
}