TY JOUR TI Graphic Algorithms for Constructing a Quadric, Given Nine Points KW zehnter Punkt Problem KW biquadratic curves KW pencils of conic sections KW pencils of quadrics KW spatial configuration of Desargues KW Pascal-Schema JO Geometry & Graphics AU Korotkiy, V.A. PY 2019 IS 7 PB INFRA-M Academic Publishing LLC.