SparavaloM. K. “Topology of Nonstationary Attractors in Spaces of Control Processes and Synergetic Model in Flight Dynamics”. Ukrains’kyi Matematychnyi Zhurnal 47, no. 8 (August 25, 1995): 1149–1152. Accessed September 1, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/5513.