• On approximation by Blackman- and Rogosinski-type operators in Banach spaceKivinukk, Andi; Saksa, AnnaProceedings of the Estonian Academy of Sciences2016 / p. 205-219 http://dx.doi.org/10.3176/proc.2016.3.01 http://www.ester.ee/record=b2355998*est https://artiklid.elnet.ee/record=b2798392*est