TY JOUR TI Loci Equidistant from Two Given Geometric Figures. Part 5: Loci Equidistant from a Sphere and a Plane KW geometry; descriptive geometry KW loci KW locus KW analytical geometry KW line KW sphere KW paraboloid of revolution JO Geometry & Graphics AU Vyshnyepolskiy, V.I. AU Zavarihina, E.V. AU Egiazaryan, K.T. PY 2022 IS 9 PB INFRA-M Academic Publishing LLC.