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• [1] T. Acar: $(p, q)-$Genralization of S´zasz-Mirakyan operators. Math. Methods Appl. Sci., 39(10) (2016), 2685-2695.
• [2] R. Chakrabarti and R. JAGANNATHAN: A $(p, q)-$oscillator realization of two parameter quantum algebras. J. Phys. A: Math. Gen., 24 (1991), 711-718.
• [3] E. W. Cheney and A. Sharma: Bernstein power series. Canad. J. Math., 16 (1964),241-252.
• [4] R. A. DeVore and G. G. Lorentz. Construtive Approximation, Springer, Berlin, (1993).
• [5] O. Dogru and O. Duman: Statistical approximationof Meyer-König and Zeller operators based on $q-$integers. Publ. Math. Debrecen, 68(1-2) (2006), 199-214.
• [6] O. Dogru, O. Duman and C. Orhan: Statistical approximation by generalized Meyer-König and Zeller type operators., Studia Sci. Math. Hungar, 40(3) (2003), 359-371.
• [7] O. Dogru and V. Gupta: Kovrokin-type approximation properties of bivariate $q-$Meyer-König and Zeller operators. Calcolo, 43(1) (2006), 51-63.
• [8] V. Gupta and A. Aral: Bernstein Durmeyer operators based on Two Parameters. SER. Math. Inform, 31(1) (2016), 79-95.
• [9] V. Gupta and H. Sharma: Statistical approximation by $q-$integrated Meyer-König-Zeller-Kantorovich operators. Craetive Math. Inf., 19(1) (2010), 45-52.
• [10] V. Gupta, H. Sharma, T. Kim and S. H. Lee: Properties of $q-$analogue of Beta operator. Advances in Difference Equations, 2012:86 (2012).
• [11] U. Kadak, A. Khan and M. Mursaleen: Approximation by Meyer-König and Zeller Operators using $(p,q)-$Calculus. arXiv:1603.08539v2, (2016).
• [12] K. Khan and D. K. Lobiyal: Bezier curves based on Lupas $(p,q)$ analogue of Bernstein polynomials in CAGD. arXiv: 1505.01810[cs.GR].
• [13] P. P. Korovkin: Linear operators and approximation theory. Hindustan Publishing Corporation, Delhi, (1960).
• [14] G. G. Lorentz: Berstein polynomials. Mathematical Expositions, University of Toronto Press: Toronto, 8 (1953).
• [15] M. Mursaleen, K. J. Ansari and A. Khan: On $(p, q)-$analogue of Bernstein Operators. Appl. Math. Comput., 266 (2015), 874-882,(Erratum to: On $(p, q)-$analogue of Bernstein Operators, Appl. Math. Comput., 266 (2015), 874- 882.
• [16] M. A. Ozarslan and O. Duman: Approximation theorems by Meyer-König and Zeller type operators. Chaos Solitons and Fractals.
• [17] C. Radu: Statistical approximation by some linear operators of discrete type. MisKolc Math. Notes, 9(1) (2008), 61-68.
• [18] P. N. Sadjang: On the fundamental theorem of $(p, q)-$calculus and some $(p, q)-$Taylor formulas. arXiv:1309.3934 [math.QA].
• [19] H. Sharma and C. Gupta: On $(p, q)-$generalization of Szasz-Mirakyan Kantorovich operators. Bollettino dell’Unione Matematica Italiana, 8(3) (2016), 213-222.
• [20] H. Sharma: Note on approximation properties of generalized Durrmeyer operators. Mathematical Sciences, 6(1) (2012), 1-6.
• [21] T. Trif: Meyer-König and Zeller Operators based on the $q-$integers. Rev. Anal. Numer. Theor. Approx., 29(2) (2000), 221-229.
• [22] W. Meyer-König and K. Zeller: Bernsteinsche Potenzreihen. studia math., 19 (1960), 89-94.