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 Mat. Fiz. Anal. Geom., 1996, Volume 3, Number 3/4, Pages 423–445 (Mi jmag506)

On power serves with Gelfond–Leontev derivatives satisfying a special condition

M. N. Sheremeta

Ivan Franko State University of L'viv

Abstract: Necessary and sufficient conditions on a function $l$ and an increasing sequence $(n_p)$ of non-negative integers are found in order that $f$ be an entire function whenever for all $p\in z_+$ the Gelfond–Leontev derivative $D_l^{n_p}f$ belongs to the class $A_\lambda(0)$, where the class $A_\lambda(0)$ consists of all functions $g(z)=\sum_{k=0}^\infty g_k(z^k)$ such that $|g_k|\le\lambda_k|g_1|$ ($k\geq1$) and $\lambda=(\lambda_k)$ is a sequence of positive numbers.

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Citation: M. N. Sheremeta, “On power serves with Gelfond–Leontev derivatives satisfying a special condition”, Mat. Fiz. Anal. Geom., 3:3/4 (1996), 423–445

Citation in format AMSBIB
\Bibitem{She96} \by M.~N.~Sheremeta \paper On power serves with Gelfond--Leontev derivatives satisfying a special condition \jour Mat. Fiz. Anal. Geom. \yr 1996 \vol 3 \issue 3/4 \pages 423--445 \mathnet{http://mi.mathnet.ru/jmag506} \zmath{https://zbmath.org/?q=an:0883.30002}