Template:Lutz1988
From Manifold Atlas
R. Lutz, Quelques remarques historiques et prospectives sur la géométrie de contact, in: Conference on Differential Geometry and Topology, (Sardinia, 1988) Rend. Sem. Fac. Sci. Univ. Cagliari 58 (1988), no.suppl., 361–393. MR1122864 (93b:53025)