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Information × Registration Number 2117U002053, Article popup.category Книга Title popup.author popup.publication 01-01-2017 popup.source_user Донецький національний університет імені Василя Стуса popup.source https://r.donnu.edu.ua/handle/123456789/1590 popup.publisher Description We have established and investigated the sufficient conditions of solvability of the Neumann problem for all classes of fourthorder improperly elliptic equations in a unit disk K in the space C4(K)\ C3; (K). popup.nrat_date 2025-05-12 Close