Hypergraphs combinatorics of finite sets

Theory of linear operations

Recent progress in Fourier analysis proceedings of the Seminar on Fourier Analysis held in El Escorial, Spain, June 30-July 5, 1983

Singularities & dynamical systems proceedings of the International Conference on Singularities and Dynamical Systems, Heraklion, Greece, 30 August-6 September 1983

Orders--description and roles in set theory, lattices, ordered groups, topology, theory of models and relations, combinatorics, effectiveness, social sciences : proceedings of the Conference on Ordered Sets and Their Applications, Château de la Tourette, l'Arbresle, July 5-11, 1982 = Ordres--description et rôles : en théorie des ensembles, des treillis, des groupes ordonnés en topologie, théorie des modèles et des relations, combinatoire, effectivité, sciences sociales : actes de la Conférence sur les ensembles ordonnés et leur applications, Château de la tourette, l'Arbresle, juillet 5-11, 1982

Approximation theory and functional analysis proceedings of the International Symposium on Approximation Theory, Universidade Estadual de Campinas (UNICAMP) Brazil, August 1-5, 1977

Scientific works Oeuvre scientifique