BALABANOV, O. On the intrinsic relations of correlations in some systems of linear structural equations . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 12, p. 17–21, 2024. DOI: 10.15407/dopovidi2016.12.017. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/12895. Acesso em: 10 jan. 2025.