00794naa#a2200181#i#4500001001500000003001700015005001700032011001400049100004100063102000700104200010200111210010800213215001100321608002700332675018000359700003400539856003900573EN\\bibl\53386/en/manage/index20250403225650.4##a2587-9936##a20220928b2022####ek#y0engy0150####ca##aRU1#aChoice of Development Trend of Bell System  at the Beginning of the 20th CenturyeJournal article1#aSevastopolcFederal State Educational Institution of Higher Education Sevastopol State Universityd2022##a32 с.##aJournal article2local##aРадиотехника. Техника электромагнитных колебаний. 621.37aЭлектросвязь. Техника электросвязи. 621.39#1aPestrikovgViktor Mihaylovich4#atest.editorum.ruu/en/manage/index