KHIMICH, A.; GALBA, E.; VARENIUK, N. Weighted pseudoinverse matrices with indefinite weights . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 6, p. 14–20, 2024. DOI: 10.15407/dopovidi2017.06.014. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/7525. Acesso em: 14 mar. 2025.