Mykhailo Vasyl'ovych Ostrograds'kyi and his role in the development of mathematics

Gorbachuk, M. L., and A. M. Samoilenko. “Mykhailo Vasyl’ovych Ostrograds’kyi and His Role in the Development of Mathematics”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 53, no. 8, Aug. 2001, pp. 1011-23, https://umj.imath.kiev.ua/index.php/umj/article/view/4322.