The main problem of artificial satellite theory for small and moderate eccentricities

Aksnes, K.: 1967,Astroph. Norv. 10, 156.

Arsenault, J. L., Enright, J. D., and Purcell, C.: 1964, ASTIA Documents 437-75 and 437-76.

Bonavito, N. L., Watson, S., and Walden, H.: 1969, NASA TN D-5203.

Brouwer, D.: 1959,Astron. J. 64, 378.

Brouwer, D. and Clemence, G. M.: 1961,Methods of Celestial Mechanics, Academic Press, New York, Ch.II, p. 79.

Brown, E. W. and Shook, C. A.: 1933,Planetary Theory, Cambridge University Press, Cambridge (G.B.), Ch. VI, p. 141et seq.

Cain, B. J.: 1962,Astron. J. 67, 391.

Delaunay, C.: 1867,Mémoires de l'Académie des Sciences 2g, p. 801.

Deprit, A.: 1969,Cel. Mech. 1, 12.

Deprit, A. and Rom, A.: 1967,Bull. Astron., Série 3,2, 425.

Deprit, A. and Zahar, R.: 1966,Zeit. angew. Math. Phys. 17, 425.

Lubowe, A. G.: 1966,AIAA J. 4, 361?63.

Meffroy, J.: 1968, NASA Goddard Space Flight Center Memorandum X-641-68-320.

Moses, J.: 1969, Tutorial Session, July 2, Summer Institute in Dynamical Astronomy, M.I.T., Cambridge, Mass.

Poincaré, H.: 1893,Les Méthodes nouvelles de la Mécanique céleste, Gauthier-Villars, Paris, Tome II, Chapitre VIII, p. 17et seq.

Rom, A.: 1969, Boeing Document D1-82-0840 submitted for publication inCel. Mech.