1. A perturbation method for problems with two critical arguments

   • Jacques Henrard
   • Anne Lemaitre

   OriginalPaper Pages: 213 - 238

2. Error estimates with L₁ solutions

   • Richard L. Branham Jr.

   OriginalPaper Pages: 239 - 247

3. Isovortical orbits in uniformly rotating coordinates

   • Michael E. Hough

   OriginalPaper Pages: 249 - 266

4. Comparison of analytical and numerical calculations of the first class periodic orbits

   • P. Hadrava
   • J. Kadrnoška

   OriginalPaper Pages: 267 - 281

5. A non-rotating origin on the instantaneous equator: Definition, properties and use

   • N. Capitaine
   • B. Guinot
   • J. Souchay

   OriginalPaper Pages: 283 - 307