[[1] G.A. Anastassiou, Fractional Differentiation Inequalities, Springer, Heidelberg, New York, 2009.10.1007/978-0-387-98128-4]Search in Google Scholar
[[2] Kai Diethelm, The Analysis of Fractional Differentiation Equations, Springer, Heidelberg, New York, 2010.10.1007/978-3-642-14574-2_8]Search in Google Scholar
[[3] Z. Ditzian, Multivariate Landau-Kolmogorov-type inequality, Math. Proc. Cambridge Philos. Soc. 105 (1989), no. 2, 335-350.]Search in Google Scholar
[[4] O. Kounchev, Extremizers for the multivariate Landau-Kolmogorov inequality, Multivariate approximation (Witten-Bommerholz, 1996), 123-132, Math. Res., 101, Akademie Verlag, Berlin, 1997.]Search in Google Scholar
[[5] E. Landau, Einige Ungleichungen für zweimal differentzierban funktionen, Proc. London Math. Soc., 13 (1913), 43-49.]Search in Google Scholar
