Memoirs of the American Mathematical Society, ISSN 0065-9266 ; Volume 52, Number 312
Print version: Casasayas, Josefina, 1957- Qualitative analysis of the anisotropic Kepler problem. Providence, Rhode Island : American Mathematical Society, c1984 viii, 115 pages Memoirs of the American Mathematical Society ; Volume 52, Number 312. ISBN 9780821823095