TY JOUR TI Loci of Points Equidistant From Two Geometric Objects. Part 6: Loci of Points Equidistant From a Sphere and a Cylindrical Surface of Equal Diameters KW geometry KW descriptive geometry KW loci of points KW analytical geometry KW sphere KW cylinder KW perpendicular paraboloid of revolution JO Geometry & Graphics AU Vyshnyepolskiy, V.I. AU Zavarihina, E.V. AU Peh, D.S. PY 2025 IS 13 PB INFRA-M Academic Publishing LLC.