1. On the restricted problem of three bodies;Steffensen;Mat.-Fys. Medd. Danske Vid. Selsk.,1956
2. Iterative solution of the n-body problem for real time;Rauch;ARS Journal,1960
3. The iterative solution of the analytical n-body problem;Rauch;J. Soc. Ind. Appl. Math.,1960
4. On the problem of three bodies in the plane;Steffensen;Mat.-Fys. Medd. Danske Vid. Selsk.,1957
5. Determination and survey of periodic Trojan orbits in the restricted problem of three bodies;Rabe;Astron. J.,1961