The approximation properties of generalized Bernstein polynomials of two variables. - Ibrahim Büyükyazici; Ertan Ibikli (Appl. Math. Comput., 2004)

Rate of convergence by Chlodowsky-Taylor polynomials. - Aydin Izgi; Ibrahim Büyükyazici; Ertan Ibikli (Appl. Math. Comput., 2009)

Stancu type generalization of the Favard-Szàsz operators. - Çigdem Atakut; Ibrahim Büyükyazici (Appl. Math. Lett., 2010)

Approximation by Stancu-Chlodowsky polynomials. - Ibrahim Büyükyazici (Comput. Math. Appl., 2010)

On Stancu type generalization of q-Baskakov operators. - Ibrahim Büyükyazici; Çigdem Atakut (Math. Comput. Model., 2010)

Approximation by Chlodowsky type Jakimovski-Leviatan operators. - Ibrahim Büyükyazici; Hande Tanberkan; Sevilay Kirci Serenbay; Çigdem Atakut (J. Comput. Appl. Math., 2014)

The generalized Baskakov type operators. - Sevilay Kirci Serenbay; Çigdem Atakut; Ibrahim Büyükyazici (J. Comput. Appl. Math., 2014)