1. Bridger, A. F. C., Stevens, D. E.: Long Atmospheric Waves and the Polar-Plane Approximation to the Earth's Spherical Geometry. J. Atmos. Sci. 1980. (In press.)
2. Handbook of Mathematical Functions. Nat. Bur. of Stand., 9th print, 1970.
3. Haurwitz, B.: Long Waves in the Polar Atmosphere. In: Climate of the Arctic, pp. 175–180 (Weller, G., Bowling, S. A., eds.). Haurwitz, B.: Long Circumpolar Atmospheric Waves. Arch. Met. Geoph. Biokl., Ser. A24, 1–18 (1975).
4. Haurwitz, B.: The Motion of Atmospheric Disturbances on the Spherical Earth. J. Mar. Res.3, 245–267 (1940).
5. Hough, S. S.: On the Application of Harmonic Analysis to the Dynamical Theory of Tides, Pt. II. Phil. Trans. Roy. Soc. Lond. (A),191, 139–185 (1898).