Arnol'd, V.: Plane curves, their invariants, perestroikas and classifications, Preprint, ETH Z¨urich, 1993; Singularities and curves, Adv. Soviet Math.
(1994), 33–91.Google Scholar
Arnol'd, V.: Topological Invariants of Plane Curves and Caustics, University Lecture Series, vol. 5, Amer. Math. Soc., 1994.
Arnol'd, V.: Invariants and Perestroikas of Plane Fronts
, Trudy Math. Inst. Steklova, 1994.Google Scholar
Arnol'd, V.: The geometry of spherical curves and the algebra of quaternions, Russian Math. Surveys, vn50
Aicardi, F.: Discriminant and local invariants of planar fronts, Preprint, Trieste, 1994.
Aicardi, F.: Topological invariant of knots and framed knots in the solid torus, C.R. Acad. Sci. Paris
, I 321
(1995), 81–86.Google Scholar
Aicardi, F.: Topological invariants of Legendrian curves, C.R. Acad. Sci. Paris
, I 321
(1995), 199–204.Google Scholar
Aicardi, F.: Partial indices and linking numbers for planar fronts, preprint, Trieste, 1994.
Alvarez, J.C.:, Symplectic geometry of spaces of geodesics, PhD Thesis, Rutgers Univ., 1994.Google Scholar
Bennequin, D.: Entrelacements et équations de Pfaff, Asterisque
(1983), 87–161.Google Scholar
Chmutov, S. and Duzhin, S.: Explicit formulas for Arnold's generic curves invariants, Preprint, 1995.
Chmutov, S. and Goryunov, V.V.:Kauffman bracket of plane curves,Max Planck Institut Preprint 95–104. (to appear in Comm. Math. Phys.)
Berger, M., Gostiaux, B.: Differential Geometry: Manifolds, Curves, and Surfaces
, GTM 115, Springer, Berlin, Heidelberg, New York, 1988.Google Scholar
Fabricius-Bjerre, F.: On the double tangents of plane closed curves, Math. Scand.
(1962), 113–116.Google Scholar
Fabricius-Bjerre, F.: A relation between the numbers of singular points and singular lines of a plane closed curve, Math. Scand.
(1977), 20–24.Google Scholar
Goryunov, V. V.: Vassiliev invariants of knots in R3 and in a solid torus, Preprint 1–95, Univ. of Liverpool, 1995.
Goryunov, V. V.: Vassiliev type invariants in Arnold's J+-theory of plane curves without direct self-tangencies, Preprint 2–95, Univ. of Liverpool, 1995.
Gusein-Zade, S. M. and Natanzon, S.M.: The Arf-invariant and the Arnold invariants of plane curves, Preprint, 1995.
Halpern, B.: Global theorems for closed plane curves, Bull. Amer. Math. Soc
(1970), 96–100.Google Scholar
Lin, X.S. and Wang, Z.: Integral geometry of plane curves and knot invariants (to appear in J. Differential Geom.).
Pignoni, R.: Integral relations for pointed curves in a real projective plane, Geom. Dedicata
(1993), 263–287.Google Scholar
Polyak,M.: Invariants of generic plane curves and fronts via Gauss diagrams,Max Planck Institut Preprint 116–94.
Polyak, M.: On the Bennequin invariant of Legendrian curves and its quantization, C.R. Acad. Sci. Paris, I322(1995), 77–82.Google Scholar
Shumakovich, A.: Formulas for the strangeness of plane curves, Algebra i Analiz 7(1995) no 3, 165–199.
Tabachnikov, S.L.: Computation of the Bennequin invariant of a Legendre curve from the geometry of its front (Russian) Funct. An. Pri.
22, 3, (July-September 1988), 89–90. 27. Viro, O.: First degree invariants of plane curves on surfaces, Preprint, Uppsala University, 1994. 28. Weiner, J.: Spherical Fabricius-Bjerre formula with application to closed space curves, Math. Scand.
61(1987), 286–291. 29. Whitney, H.: On regular closed curves in the plane, Compositio Math.