00595naa#a2200181#i#450# EN\\bibl\52916 20240728102355.7 2587-9936 20200925b2020####ek#y0engy0150####ca RUS RU Application of cathode-ray technologies for amplification of electrical signals Journal article Sevastopol Federal State Educational Institution of Higher Education Sevastopol State University 2020 23 с. Journal article local . 621.37-621.39(091) RUS Pestrikov V M rusjbpc.ru