Investeeringute matemaatika alusedAasma, Ants; Kurvits, Jüri; Zeltser, Maria2015 Investeeringute matemaatika alusedAasma, Ants; Kurvits, Jüri; Zeltser, Maria2020 https://www.ester.ee/record=b5298755*est On a cosine operator function framework of approximation processes in banach spaceKivinukk, Andi; Saksa, Anna; Zeltser, MariaFilomat2019 / p. 4213-4228 https://doi.org/10.2298/FIL1913213K Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS 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 Sampling Theory and Applications 2017 : 12th International Conference : Tallinn, Estonia, July 3-7 : program and abstracts2017 2017 International Conference on Sampling Theory and Applications (SampTA) : 12th International Conference : Tallinn, Estonia, July 3-7 : [abstracts] [Electronic resource]2017