Topological and algebraical structures on the set of multisets von O. M. Holubchak, A. V. Zahorodniuk

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A multiplicative convolution on the algebra of block-symmetric analytic functions von A. V. Zahorodniuk, V. V. Kravtsiv

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Homomorphisms of algebras of entire functions of bounded type on a Banach space von A. V. Zahorodniuk, H. M. Petriv

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