1. Kh. A. Rakhmatulin, ?Fundamentals of gasdynamics of interpenetrating motions of compressible media?, PMM, vol. 20, no. 2, 1956.
2. V. I. Maron and V. A. Medvedev, ?On the derivation of the energy equations of interpenetrating motions of gaseous media?, Vestn. Mosk. un-ta, ser. 1, Matematika i mekhanika, no. 1, 1963.
3. A. N. Kraiko and L. E. Sternin, ?On the theory of flows of two-velocity continuum with solid or liquid particles?, PMM, vol. 29, no. 3, 1965.
4. S. G. Teletov, ?Questions of hydrodynamics of two-phase mixtures?, Vestnik Mosk. un-ta, Matematika, Mekhanika, Astronomiya, Fizika, Khimiya, no. 2, 1958.
5. Ya. Z. Kleiman, ?On the propagation of strong discontinuities in a multicomponent medium?, PMM, vol. 22, no. 2, 1958.