TY JOUR TI Geometry of Electrostatic Fields KW electrostatic fields KW power and equipotential lines KW cyclic points KW involution KW harmonism KW imaginary elements. JO Geometry & Graphics AU Grafskiy, O.A. AU Ponomarchuk, Y.V. AU Holodilov, A.A. PY 2018 IS 6 PB INFRA-M Academic Publishing LLC.