A note on partial orders of Hartwig, Mitsch, and Šemrl. - Gregor Dolinar; Bojan Kuzma; Janko Marovt (Appl. Math. Comput., 2015)

On sets of elements in Rickart rings induced by partial orders. - Janko Marovt; Katja Mihelic (Appl. Math. Comput., 2017)