Komleva, T. A., and A. V. Plotnikov. “On Some Properties of Bundles of Trajectories of a Controlled Bilinear Inclusion”. Ukrains’kyi Matematychnyi Zhurnal 56, no. 4 (April 25, 2004): 484–494. Accessed May 1, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3770.