On the symplectic structure deformations related to the Monge–Ampère equation on the Kähler manifold $P_{2}(\mathbb{C})$ von Balinsky, A. A., Prykarpatski, A. K., Pukach, P. Ya., Vovk, M. I., Balinsky, A. A., Prykarpatski, A. K., Pukach, P. Ya., Vovk, M. I.

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Separately $Fσ$-measurable functions are close to functions of the first baire class von Banakh, T. O., Vovk, M. I., Банах, Т. О., Вовк, М. І.

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