%0 Journal Article %A Ying, Zhiling %A Koşan, Tamer %A Zhou, Yiqiang %T Rings in which Every Element is a Sum of Two Tripotents %J Canadian mathematical bulletin %D 2016 %P 661-672 %V 59 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2016-009-0/ %R 10.4153/CMB-2016-009-0 %F 10_4153_CMB_2016_009_0