00586naa#a2200205#i#450# EN\INFRA-M\bibl\20726 20241218180646.3 2308-4898 20180425b2018####ek#y0engy0150####ca RUS RU Geometry of Electrostatic Fields Journal article Moscow INFRA-M Academic Publishing LLC. 2018 9 с. Journal article local Математика. 51 RUS Grafskiy O. A. Ponomarchuk Yu. V. Holodilov Aleksandr Andreevich naukaru.ru