Some properties of high order Cesaro derivatives / *A. V. Dergachev.* // Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika. 2013. № 3. P. 3-10
[Moscow Univ. Math. Bulletin. Vol. 72, N 2, 2017. P. 0].

It is shown that a function with Cesaro *C _{2}*-derivative greater than -∞ everywhere on a segment is not necessarily VBG. We also construct a function having a finite approximate derivative almost everywhere on a segment, but its

*C*-derivative is equal to +∞ almost everywhere.

_{2}
*Key words*:
Cesaro derivatives, Cesaro-Perron integral, approximate derivatives, VBG functions, Denjoy relations.