[[1] J. Adell and A. Pérez-Palomares, Global smothness preservation for the Bernstein polynomials, Approximation and optimization (Proc. Int. Conf. Approximation and Optimization, Cluj-Napoca 1996, ed. by D.D. Stancu et al.), vol I, Cluj-Napoca: Transilvania Press, (1997).]Search in Google Scholar
[[2] C. Cottin and H. H. Gonska, Simultaneous approximation and global smoothness preservation, Rend. Circ. Mat. Palermo (2) Suppl. Vol. 33, (1993), 259-279.]Search in Google Scholar
[[3] T. Lindvall, Bernstein polynomials and the law of large numbers, Math. Scientist, Vol. 7, (1982), 127-139.]Search in Google Scholar
[[4] M. Marin, G. Stan, Weak solutions in Elasticity of dipolar bodies with stretch, Carpathian Journal of Mathematics, Vol. 29 (1), 2013, pp. 33-40.10.37193/CJM.2013.01.12]Search in Google Scholar
[[5] C. Mortici, An extension of the Szász-Mirakjan operators, An. Şt. Univ. Ovidius Constanţa, Vol 17 (1), (2009), 137-144.]Search in Google Scholar
[[6] R. Pǎltǎnea, Best constant in estimates with second order moduli of continuity, In: Approximation Theory, (Proc. Int. Dortmund Meeting on Approximation Theory 1995, ed. by M.W. Müller, M. Felten, D.H. Mache), Berlin: Akad Verlag (1995), 251-275.]Search in Google Scholar
[[7] R. Pǎltǎnea, On the transformation of the second order modulus by Bernstein operators, L’Analyse Numér. et la Th. de l’Approx., Vol. 27 (2), (1998), 309-313.]Search in Google Scholar
[[8] R. Pǎltǎnea, Approximation theory using positive linear operators, Birkh auser, Boston (2004).10.1007/978-1-4612-2058-9]Search in Google Scholar
[[9] R. Pǎltǎnea, Modified Szász-Mirakjan operators of integral form, Carpathian Journal of Mathematics, Vol. 24 (3), (2008), 378-385.]Search in Google Scholar
[[10] R. S. Phillips, An inversion formula for Laplace transforms and semigroups of operators, Annals of Mathematics, Second Series, Vol. 59, (1954), 325-35610.2307/1969697]Search in Google Scholar
[[11] D. X. Zhou, On a problem of Gonska, Results Math., Vol. 28 (1-2), (1995), 169-183.10.1007/BF03322250]Search in Google Scholar