1. L. N. Gutman, Introduction to Nonlinear Theory of Mesometeorological Processes (Gidrometeoizdat, Leningrad, 1969) [in Russian].
2. P. N. Belov, Practical Methods in Numerical Weather Forecasting (Gidrometeoizdat, Leningrad, 1967) [in Russian].
3. L. D. Landau and E. M. Lifshitz, Course of Theoretical Physics, Vol. 6: Fluid Mechanics (Nauka, Moscow, 1986; Pergamon, New York, 1987).
4. G. Z. Gershuni and E. M. Zhukhovitskii, Convective Stability of Incompressible Fluids (Nauka, Moscow, 1972; Israel Program for Scientific Translations, Jerusalem, 1976).
5. M. Yamasaki, J. Met. Soc. Jpn. 50, 465 (1972).