Volume 6, No. 1 (1989)
Annales de l'Institut Henri Poincaré C

pp. 1–14 On a regularizing effect of Schrödinger type groupsMikhaël Balabane
pp. 15–35 The global Cauchy problem for the non linear Klein-Gordon equation-IIJ. GinibreG. Velo
pp. 37–72 Isotropic singularities of solutions of nonlinear elliptic inequalitiesYves RichardLaurent Veron
pp. 73–93 Periodic bounce trajectories with a low number of bounce pointsF. GiannoniV. Benci