Proceedings: 19-20 October 1972 : the University of Texas at Austin /
edited by Dale G. Bettis
- Berlin : Springer-Verlag, c1974
- viii, 490 p. : ill. ; 24 cm.
- Lecture notes in mathematics ; 362 .
Sponsored jointly by the Society for Industrial and Applied Mathematics and the Division of Dynamical Astronomy of the American Astronomical Society