Differential topology, foliations, and Gelfand-Fuks cohomology : proceedings of the symposium held at the Pontifíca Universidade Católica do Rio de Janeiro, 5-24 January, 1976 /

por Symposium on Differential and Algebraic Topology (1976 : Rio de Janeiro, RJ)., Schweitzer, Paul A., Pontifícia Universidade Católica do Rio de Janeiro.