# Items where Author is "Morozov, Andrei"

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**3**.## Article

Morozov, Andrei and Korovina, Margarita
(2008)
*On $\Sigma$-definability without equality over the real numbers.*
Mathematical Logic Quarterly, 54 (5).
pp. 535-544.
ISSN 0942-5616

Morozov, Andrei and Korovina, Margarita
(2008)
*On $\Sigma$-representability of countable structures
over real numbers, complex numbers and quaternions.*
Algebra and Logic, 47 (3).
pp. 335-363.
ISSN 0002-5232

Morozov, Andrei and Korovina, Margarita
(2008)
*Remarks on $\Sigma$-definability without the equality test over the Reals.*
Electronic Notes in Theoretical Computer Science, 202.
pp. 305-313.
ISSN 1571-0661