SERGIENKO, I. .; KHIMICH, A. M. .; VARENIUK, N. . Study of weighted pseudoinverse matrices with in definite singular weights. Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 6, p. 17–27, 2022. DOI: 10.15407/dopovidi2022.06.017. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/2022-6-3. Acesso em: 18 apr. 2026.