1. Mechanics of Continuous Media;Landau,1953
2. On the stability of a nonuniformly heated gas in a gravitational field;Sorokin;PMM,1953
3. The condition of absence of convection in an unbounded real fluid;Filippenko,1967
4. On the Boussinesq approximation for a compressible fluid;Spiegel;Astrophys. J.,1960
5. The instability of a compressible fluid heated below;Jeffreys,1930