Babenko, V.F., Babenko, Y.V. and Kovalenko, O.V. 2025. Kolmogorov’s problem about the existence of absolute monotone and multiply monotone functions with given norms of derivatives . Reports of the National Academy of Sciences of Ukraine. 10 (Feb. 2025), 7–11. DOI:https://doi.org/10.15407/dopovidi2015.10.007.