Lychagin, V. V. On sufficient orbits of a group of contact diffeomorphisms. (English) Zbl 0412.58019 Math. USSR, Sb. 33, 223-242 (1977). MSC: 37J99 58C25 58K99 37C80 PDF BibTeX XML Cite \textit{V. V. Lychagin}, Math. USSR, Sb. 33, 223--242 (1977; Zbl 0412.58019) Full Text: DOI
Lycagin, V. V. On sufficient orbits of a group of contact diffeomorphisms. (Russian) Zbl 0405.58030 Mat. Sb., N. Ser. 104(146), 248-270 (1977). MSC: 37J99 37C80 PDF BibTeX XML Cite \textit{V. V. Lycagin}, Mat. Sb., Nov. Ser. 104(146), 248--270 (1977; Zbl 0405.58030) Full Text: EuDML