1. Points critiques de fonctions invariantes sur une G-variété;Michel;C. R. Acad. Sci. Paris A,1971
2. Breaking of theSU3SU3;Michel,1970
3. Properties of the breaking of hadronic internal symmetry;Michel;Ann. Phys. (N.Y.),1971
4. The geometry of the octet;Michel;Ann. I.H.P.,1973
5. Nonlinear group action. Smooth action of compact Lie groups on manifolds;Michel,1971