1. S. A. Alekseev, ?On the analysis of a soft spherical shell in a fluid flow,? Inzh. Zh., Mekh. Tverd. Tela, No. 3 (1967).
2. N. E. Zhukovskii, ?Determination of fluid motion for some conditions given on a streamline,? in: Complete Selected Works [in Russian], Vol. 3, ONTI, Moscow-Leningrad (1936).
3. M. A. Il'gamov, ?Dynamics of elastic shells containing an acoustic medium with sources,? in: Theory of Plates and Shells [in Russian], Nauka, Moscow (1971).
4. O. M. Kiselev, ?On the problem of a gas bubble in a plane ideal fluid flow,? Izv. Akad. Nauk SSSR, Mekh. Zhidk. Gaza, No. 4 (1969).
5. O. M. Kiselev, ?On the problem of plane ideal fluid flow around a gas-filled shell,? ibid. Izv. Akad. Nauk SSSR, Mekh. Zhidk. Gaza, No. 3 (1971).