Recent advances in enveloping algebras of semi-simple lie-algebras [A report on work of N. Conze, J. Dixmier, M. Duflo, J. C. Jantzen, A. Joseph, W. Borho] -- The light in the neighborhood of a caustic -- Newton polygons and estimates of oscillatory integrals -- Kleinian groups [A survey] -- Faisceaux amples et trรจs amples [dโaprรจs T. Matsusaka] -- Le problรจme des cardinaux singuliers [dโaprรจs R. B. Jensen et J. Silver] -- Hyperfonctions et รฉquations aux dรฉrivรฉes partielles dโaprรจs M. Sato, T. Kawai et M. Kashiwara] -- Spectre de lโรฉquation de schrรถdinger, application a la stabilitรฉ de la matiรจre [dโaprรจs J. Lebowitz, E. Lieb, B. Simon et W. Thirring] -- The combinatorial formula of gabrielov, gelfand and losik for the first pontrjagin class -- Opรฉrateurs diffรฉrentiels bi-invariants [dโaprรจs M. Duflo] -- Constructions de feuilletages [dโaprรจs W. Thurston] -- Some recent results on surfaces of general type -- Opรฉrateurs carrรฉ du champ [dโaprรจs J. P. Roth] -- On the finite simple groups [according to Aschbacher and Gorenstein] -- Sur la conjecture de birch-swinnerton dyer [dโaprรจs J. Coates et A. Wiles] -- Travaux de H. Skoda sur la classe de Nevanlinna -- Groupes de whitehead de groupes algรฉbriques simples sur un corps [dโaprรจs V. P. Platonov et al.] -- On the enriques classification of algebraic surfaces

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