A discussion of Halphen's method for secular perturbations and its application to the determination of long range effects in the motions of celestial bodies. Part 1 - Musen, Peter; Goddard Space Flight Center.; United States. (National Aeronautics and Space Administration, 1963)
Includes bibliographical references (p. 47).
Keywords: Gaussian quadrature formulas.; Artificial satellites / Orbits.; Moon / Orbit.