Martinet, J. Formes de contact sur les variétés de dimension 3. (French) Zbl 0215.23003 Proc. Liverpool Singularities-Symp. II, Dept. Pure Math. Univ. Liverpool 1969-1970, 142-163 (1971). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 ReviewsCited in 52 Documents MSC: 53C15 General geometric structures on manifolds (almost complex, almost product structures, etc.) Citations:Zbl 0213.001 PDF BibTeX XML