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Information × Registration Number 2118U004137, Article popup.category Thesis Title popup.author popup.publication 01-01-2018 popup.source_user Сумський державний університет popup.source http://essuir.sumdu.edu.ua/handle/123456789/67602 popup.publisher Сумський державний університет Description Authentication - authentication of the user-submitted identifier. Authentication is required when accessing such Internet services as e-mail, web-forum, social networks, Internet banking, payment systems, corporate websites, online stores. popup.nrat_date 2025-05-13 Close