On approximation processes defined by a cosine operator functionKivinukk, Andi; Saksa, Anna; Zeltser, MariaProceedings of the Estonian Academy of Sciences2017 / p. 214-224 https://doi.org/10.3176/proc.2017.2.11 http://www.ester.ee/record=b2355998*est On Rogosinski-type approximation processes in Banach space using the framework of the cosine operator functionKivinukk, Andi; Saksa, AnnaMathematical Foundations of Computing2022 / p. 197-218 https://doi.org/10.3934/mfc.2021030 Journal metrics at Scopus Article at Scopus