LYTVYN, O.; LYTVYN, O. O.; TKACHENKO, O.; GRITSAY, O. L. Hermitian interlineation of functions of two variables on the given system of disjoint lines with preservation of the class Cr (R2) . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 7, p. 53–59, 2025. DOI: 10.15407/dopovidi2014.07.053. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/16582. Acesso em: 5 jun. 2025.