TY JOUR TI Graphic Reconstruction Algorithms of the Second-Order Curve, Given by the Imaginary Elements KW harmonic homology KW elliptic involution KW polarity, conic beam KW autopolar triangle KW quadratic involution JO Geometry & Graphics AU Korotkiy, V.A. AU Girsh, A.G. PY 2016 IS 4 PB INFRA-M Academic Publishing LLC.