Sergey . Gefter
Docent (associate professor) of department of fundamental mathematics, phd in mathematics
List of selected publications
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1. Sergey Gefter, Aleksey Piven Initial problem for a nonhomogeneous linear differential-difference equation in a Banach space for a class of exponential type entire functions, European Journal of Mathematics (2019). https://link.springer.com/article/10.1007/s40879-019-00314-x https://doi.org/10.1007/s40879-019-00314-x //
1. Sergey Gefter, Aleksey Piven Initial problem for a nonhomogeneous linear differential-difference equation in a Banach space for a class of exponential type entire functions // European Journal of Mathematics (2019), https://doi.org/10.1007/s40879-019-00314-x ,
Sergey Gefter, Aleksey Piven Initial problem for a nonhomogeneous linear differential-difference equation in a Banach space for a class of exponential type entire functions // European Journal of Mathematics (2019), https://link.springer.com/article/10.1007/s40879-019-00314, https://doi.org/10.1007/s40879-019-00314-x ,
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Martseniuk V., Gefter S., Piven’ A. Integer solutions of implicit linear difference equations // Voronoï’s Impact on Modern Science. Proc. Sixth Int. Conf. Anal. Number Theory Spat. Tessellations. — Kyiv : Natl. Pedagog. Dragomanov Univ. Publ., 2018., Vol. 1. — P. 87–95,
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S. L. Hefter, O. L. Piven’ Entire Solutions of One Linear Implicit Differential-Difference Equation in Banach Spaces // Ukrainian Mathematical Journal, https://link.springer.com/article/10.1007/s11253-018-1563-3, 2019.– V. 70, Iss. 8.– P. 1205–1220,
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