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- [45] Approximation of functions with linear positive operators which fix {1, φ} and {1, φ2} [J]. ANALELE STIINTIFICE ALE UNIVERSITATII OVIDIUS CONSTANTA-SERIA MATEMATICA, 2020, 28 (03): : 255 - 265
- [49] ON THE DEGREE OF APPROXIMATION OF CONTINUOUS-FUNCTIONS BY A CLASS OF SEQUENCES OF LINEAR POSITIVE OPERATORS [J]. PROCEEDINGS OF THE KONINKLIJKE NEDERLANDSE AKADEMIE VAN WETENSCHAPPEN SERIES A-MATHEMATICAL SCIENCES, 1980, 83 (02): : 171 - 181