Vasian B. I. (2023) "On approximation properties of some non-positive Bernstein-Durrmeyer type operators modified in the Bezier-King sense
" Dolomites Research Notes on Approximation, 16(3), 104-117. DOI: 10.14658/PUPJ-DRNA-2023-3-11
Voro- novskaja type theorem
Voro- novskaja type theorem