Multisets: a bibliographic overview, construction of a lattice of multisets by Bogatyreva, Yu.A.

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The origin and interpretation of Kleene three-valued logics by Shishatska, O.V.

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General theoretical-set constructions of complete image, restriction, compatibility: properties and applications by Buy, D.B., Kakhuta, N.D., Silveystruk, L.M.

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Object-oriented database neodatis: installing, programming of queries, comparison with the relational data base by Buy, D.B., Kompan, S.V.

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Recursive queries in SQL: samples, intensional and formal semantics by Buy, D.B., Polyakov, S.A.

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