Bibliography**References to the books by Russian and other non-English-speaking authors are given in accordance with their English translations, if there are any and they are known to the authors or the translator. As for the papers from Russian scientific journals cited in this book, most of them were published in the following three journals: Prikladnaya Matematika i Mekhanika, Izvestiya Akademii Nauk, ser. Mekhanika Zhidkosti i Gaza, and Zhurnal Prikladnoi Meknaniki i Tekhnicheskoi Fiziki. All the three journals are translated into English – the first by Elsevier under the name Applied Mathematics and Mechanics and the other two by Springer as Fluid Dynamics and Journal of Applied Mechanics and Technical Physics. References to the papers published in these journals are given in accordance with the above translations, while references to the papers from other Russian journals in accordance with the original publications.