Lytvyn O, Lytvyn O, Tkachenko O, Gritsay O. 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 . Dopov. Nac. akad. nauk Ukr. [Internet]. 2025 Mar. 27 [cited 2026 May 10];(2):50-5. Available from: https://nasu-periodicals.org.ua/index.php/dp/article/view/17437