Summation process of positive linear operators. - Özlem G. Atlihan; Cihan Orhan (Comput. Math. Appl., 2008)

Some variations of the Bohman-Korovkin theorem. - Özlem G. Atlihan; H. Gül Ince; Cihan Orhan (Math. Comput. Model., 2009)

Korovkin theorems on weighted spaces: revisited. - Özlem G. Atlihan; Mehmet Ünver; Oktay Duman (Period. Math. Hung., 2017)