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[8] Goodman, T. N. T., Sharma, A. 1987 A modified Bernstein–Shoenberg operator Proc. of Conference on Constructive Theory of Functions Varna’87 Publ. House of Bulg. Acad. of Sci. Sofia 166–173.

[8] Goodman, T. N. T., Sharma, A.1987A modified Bernstein–Shoenberg operatorProc. of Conference on Constructive Theory of Functions Varna’87 Publ. House of Bulg. Acad. of Sci.Sofia166–173.)| false
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[9] Gupta, V., Agrawal, P. N. 2007 Rate of convergence for certain Baskakov Durrmeyer type operators Analele Universităţii Oradea, Fasc. Matematica XIV 33–39.

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[10] Gupta, V., Noor, M. A., Beniwal, M. S., Gupta, M. K. 2006 On simultaneous approximation for certain Baskakov Durrmeyer type operators J. Inequalities Pure Appl. Math. 7 1–33.

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[11] Ivanov, K. G., Parvanov, P. E. 2009 Weighted approximation by the Goodman–Sharma Operators East J. Approx. 15 473–486.

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[12] Lupas, A. 1967 Some properties of the linear positive operators (I) Mathematica (Cluj) 9 77–83.

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[13] Sahai, A., Prasad, G. 1985 On simultaneous approximation by modified Lupas operators J. Approx. Theory 45 122–128 .

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[13] Sahai, A., Prasad, G.1985On simultaneous approximation by modified Lupas operatorsJ. Approx. Theory45122–12810.1016/0021-9045(85)90039-5.)| false
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