References
- O. Agratini, On simultaneous approximation by Stancu-Bernstein operators in Approximation and Optimization, Proceedings of ICAOR Romania, Cluj-Napoca, 1996, 157-162.
- V. Barbu, Differential Equations, Springer Undergraduate Mathematics Series, Springer, Cham, 2016, Translated from the 1985 Romanian original by Liviu Nicolaescu.
- S. N. Bernstein, Démonstration du théorém de Weierstrass fondeé sur la calcul desprobabilitiés, Commun. Soc. Math. Charkow Sér, vol. 13, 1912, 1-2.
- M. M. Derriennic, Sur l’approximation de fonctions intégrables sur [0, 1] par des polynômes de Bernstein modifies, Journal of Approximation Theorem, vol. 31, no. 4, 1981, 325-343.
- R. A. DeVore, G. G. Lorentz, Constructive Approximation, Springer-Verlag Berlin Heidelberg, 1993.
- M. Floater, On the convergence of derivatives of Bernstein approximation, J. Approx. Theory, vol. 134, 2005, 130-135.
- H. Gonska, M. Heilmann, I. Raşa, Kantorovich operators of order k, Numer. Funct. Anal. Optim., vol. 32, no. 7, 2011, 717-738.
- H. Gonska, R. Păltănea, General Voronovskaya and Asymptotic Theorems in Simultaneous Approximation, Mediterr. J. Math., vol. 7, 2010, 37-49.
- H. Gonska, R. Păltănea, Simultaneous approximation by a class of Bernstein-Durrmeyer operators preserving linear functions, Czech. Math. J., vol. 60, no. 3, 2010, 783-799.
- L. V. Kantorovich, Sur certain developpements suivant les polynomes de la forme de S. Bernstein, I, II. C. R. Acad. URSS, 1930, 563-568.
- H. B. Knoop, P. Pottinger, Ein Satz vom Korovkin-Typ fur Ck- Raume, Math. Z., vol. 148, 1976, 23-32.
- R. Păltănea, A note on generalized Bernstein-Kantorovich operators, Bulletin of the Transilvania University of Braşov, vol. 6, no. 2, 2013, 27-32.
- Bl. Sendov, V. Popov, The convergence of the derivatives of positive linear operators (in Russian), C.R. Acad. Bulgare Sci., vol. 22, 1969, 507-509.
- D. D. Stancu, Asupra unei generalizări a polinoamelor lui Bernstein (in romanian), Stud. Univ. Babes-Bolyai Ser. Math. Phys., 1969, 31-45.
- B. I. Vasian, Approximation Properties of Some Nonpositive Kantorovich Type Operators, 2022 Proceedings of International E-Conference on Mathematical and Statistical Sciences: A Sel cuk Meeting, 2022, 188-194.
- B. I. Vasian, Voronovskaja type theorem for some nonpositive Kantorovich type operators, Carpathian Journal of Mathematics vol. 40, no. 1, 2024, 187-194.