1. A. Biesheuvel, W. C. M. Gorissen, Void fraction disturbance in a iniform bubbly liquid, Intern. J. Multiphase Flow, 16 (1990), 217–231.
2. J. B. Kok, The Fokker Plank equation for bubbly flows and the motion of gas bubble pairs, Appl. Sci. Res., 58 (1997/8), 319–335.
3. N. I. Muskhelishvili. Singular integral equations, Moscow: Nauka Publishers, 1968.
4. G. Russo, P. Smereka, Kinetic theory for bubbly flow I: collisionless case, SIAM J. Appl. Math. 56 (1996), 327–357.
5. P. Smereka, Bubbly flows with gravity and weak viscous effects, in: Proceedings of the IMA workshop on Particulate flows: Processing and Rheology.