Gečiauskas, Evaldas. “Zacharij Niemcevski – Professor of Higher Mathematics at the Vilnius University (1797–1820)”. Lietuvos matematikos rinkinys 46, no. spec. (September 21, 2023): 213–215. Accessed April 19, 2025. https://journals.vu.lt./LMR/article/view/30630.