@article{ASUO_2023_XXXI_1_a17,
     author = {Bianca Ioana Vasian ~
              },
     title = {On approximation properties of some non-positive {Bernstein-Durrmeyer}},
     journal = {Analele Universit\u{a}\c{t}ii "Ovidius" Constan\c{t}a Seria Matematic\u{a}},
     publisher = {mathdoc},
     volume = {XXXI},
     number = {1},
     year = {2023},
     url = {http://geodesic.mathdoc.fr/item/ASUO_2023_XXXI_1_a17/}
}