3 documents found
Head: Kharkevych Yuri І.. Extreme problems and methods of the theory of approximation of functional classes. (popup.stage: ). Lesya Ukrainka Eastern European National University. № 0223U002840
Head: Kharkevych Yuri І.. Extremal problems of approximation theory in function spaces. (popup.stage: ). Lesya Ukrainka Eastern European National University. № 0220U100851
Piddubny Olexy Mihaylovich. Hardy-Littlewood type theorems and approximative properties of generalized Abel-Poisson operator : к.ф.-м.н. : spec.. 01.01.01 - Математичний аналіз : presented. 2014-02-25; popup.evolution: .; Institute of mathematics NAS of Ukraine. – , 0414U000399.
3 documents found

Updated: 2026-11-06