Completeness of the Floquet solutions to the problem of a solid oscillating in a fluid. Guda, S.A. — 2009 Sibirskij Matematicheskij Zhurnal
The coupled problem of a solid oscillating in a viscous fluid under the action of an elastic force. Guda, S.A.; Yudovich, V.I. — 2007 Sibirskij Matematicheskij Zhurnal