Kolomiyets, V. G., and A. I. Mel’nikov. 1998. “Random Integral Manifolds of Systems of Differential Equations With Unbounded Operator in a Banach Space”. Ukrains’kyi Matematychnyi Zhurnal 50 (12), 1609–1614. https://umj.imath.kiev.ua/index.php/umj/article/view/4780.