GEČIAUSKAS, Evaldas. Zacharij Niemcevski – professor of higher mathematics at the Vilnius university (1797–1820). Lietuvos matematikos rinkinys, [S. l.], v. 46, n. spec., p. 213–215, 2023. DOI: 10.15388/LMR.2006.30630. Disponível em: https://journals.vu.lt./LMR/article/view/30630. Acesso em: 19 apr. 2025.