Lytvyn, O., Lytvyn, O., Tkachenko, O., & Gritsay, O. (2025). Recovery of the functions of two variables with preservation of the class Cr(R2) with the help of their traces and the traces of their derivatives up to a fixed order on the given curve . Reports of the National Academy of Sciences of Ukraine, (2), 50–55. https://doi.org/10.15407/dopovidi2014.02.050