00605naa#a2200181#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200010000102210010800202215001100310608002700321675003000348700002500378856002000403EN\\bibl\5293020240603042242.1##a2587-9936##a20210625b2021####ek#y0engy0150####ca0#aRUS##aRU1#aLee de Forest’s promotion of wireless phone innovation in the service marketeJournal article1#aSevastopolcFederal State Educational Institution of Higher Education Sevastopol State Universityd2021##a39 с.##aJournal article2local##a. 621.37-621.39(091)zRUS#1aPestrikovgViktor M 4#aicrtjournal.com