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