On algebras of relations
D. Bredikhin (1993)
Banach Center Publications
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D. Bredikhin (1993)
Banach Center Publications
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Yushchenko, A. V. (2002)
Sibirskij Matematicheskij Zhurnal
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Badaev, S.A., Podzorov, S.Yu. (2002)
Sibirskij Matematicheskij Zhurnal
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Chirkov, I.V., Shevelin, M.A. (2001)
Sibirskij Matematicheskij Zhurnal
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Teturo Kamae, Jun-ichi Tamura, Zhi-Ying Wen (1999)
Acta Arithmetica
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Yoshii, Yoji (2004)
Journal of Lie Theory
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M. Adams, Wiesław Dziobiak, Matthew Gould, Jürg Schmid (1995)
Fundamenta Mathematicae
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Two properties of the lattice of quasivarieties of pseudocomplemented semilattices are established, namely, in the quasivariety generated by the 3-element chain, there is a sublattice freely generated by ω elements and there are quasivarieties.
Vsevolod F. Lev, Pavel Y. Smeliansky (1995)
Acta Arithmetica
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What is the structure of a pair of finite integers sets A,B ⊂ ℤ with the small value of |A+B|? We answer this question for addition coefficient 3. The obtained theorem sharpens the corresponding results of G. Freiman.
C. L. Liu (1996)
Acta Arithmetica
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Norbert Hegyvári (1995)
Acta Arithmetica
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Pyrkin, S.G. (2000)
Sibirskij Matematicheskij Zhurnal
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