1
Published 1976
Springer Netherlands
Table of Contents: ... of Perturbation Theories -- Stabilization and Time Elements for Kepler’s Problem -- A Note on the Hénon-Heiles...

2
Published 1973
Springer Netherlands
Table of Contents: ...) -- Collision Singularities in Gravitational Problems -- Regularization Using a Time-Transformation Only...

3
Published 1982
Springer Netherlands
Table of Contents: ... -- On the Convergence of Formal Integrals in Finite Time -- A Numerical Study of the Asymptotic Solutions to the Family...