TY JOUR TI On Errors in Terminology on Theory of Surfaces And Geometric Modelling KW analytical geometry of surfaces KW differential geometry of surfaces KW torse surface KW nodoid KW Agnesi curl KW catenoid KW cyclic surface KW canal surface KW paraboloid of revolution KW conoid KW Cartesian leaf. JO Geometry & Graphics AU Krivoshapko, S.N. PY 2017 IS 5 PB INFRA-M Academic Publishing LLC.