Ostrovska,S.Berdysheva,E.Nowak,G.Ă–zban,A.Y.Mathematics2024-07-052024-07-05201411085-337510.1155/2014/3909832-s2.0-84920517957https://doi.org/10.1155/2014/390983https://hdl.handle.net/20.500.14411/3745[No abstract available]eninfo:eu-repo/semantics/openAccess[No Keyword Available]Approximation theory and numerical analysisEditorialQ22014