1. Adams, R.: Sobolev Spaces, Academic Press, New York, 1975
2. Alazard T., Burq N., Zuily C.: On the Cauchy problem for gravity water waves. Invent. Math. 198, 71–163 (2014)
3. Ambrose D., Masmoudi N.: The zero surface tension limit of three-dimensional water waves. Indiana Univ. Math. J. 58, 479–521 (2009)
4. Barenblatt G.: On one class of solutions of the one-dimensional problem of non-stationary filtration of a gas in a porous medium. Prikl. Mat. i. Mekh. 17, 739–742 (1953)
5. Chandrasekhar, S.: Introduction to the Stellar Structure, University of Chicago Press, Chicago, 1939