TY  JOUR
TI  Contact Conic Sections
KW  the projective transformation
KW  the beam conic sections,
the circle of curvature
KW  involution on the conic section,
theorem Tissot.
JO  Geometry & Graphics
AU  Korotkiy, V.A.
PY  2016
IS  4
PB  INFRA-M Academic Publishing LLC.