Recherches sur la flexion de la lunette méridienne
Reflection and dissipation of oblique Alfvén waves in an isothermal atmosphere.
Remarks on inhomogeneous elliptic problems arising in astrophysics.
Remarques au sujet d'une note de M. Collignon
Rotating shallow water modeling of planetary, astrophysical and plasma vortical structures. (Plasma transport across a magnetic field, model of the Jupiter's GRS, prediction of existence of giant vortices in spiral galaxies).