Komarenko, A.N. (1996) “Operator methods in the problem of perturbed motion of a rotating body partially filled with liquid”, Ukrains’kyi Matematychnyi Zhurnal, 48(3), pp. 335–348. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5331 (Accessed: 5 December 2025).