Mots-clés:
1990, ABEL, ANOSOV, BEZOUT, BIRKHOFF, BONNET, BOREL, BUSEMANN, CARTAN, CONGRES ET CONFERENCES, D'AMBRA, DIFFEOMORPHISMES, EN, EUCLIDE, EULER, FERRAND, FROBENIUS, GALOIS, GAUSS, GHYS, GRASSMANN, GROMOV, GROUPES DE TRANSFORMATIONS, HAAR, HADAMARD, HAMILTON, HAUSDORFF, HEDLUND, HOLDER, HOPF, HURDER, JACOB, KANAI, KATOK, KILLING, KLEIN, KOBAYASHI, KOSZUL, KRONECKER, LAGRANGE, LELONG, LEVI-CIVITA, LICHNEROWICZ, LIE, LIOUVILLE, LOBACHEVSKI, LORENTZ, LYAPUNOV, MARGULIS, MONTGOMERY, MORSE, MOSTOW, NOMIZU, NOTHER, OBATA, POINCARE, PREPUBLICATION, RIEMANN, ROYDEN, SINAI, SULLIVAN, TAYLOR, TEICHMULLER, WINKELNKEMPER, ZARISKI, ZIMMER