Ostrovskiĭ, I. V. Location of the zeros of the derivative of an entire function whose zeros lie close to the real axis. (English. Russian original) Zbl 0096.05304 Sov. Math., Dokl. 1, 114-117 (1960); translation from Dokl. Akad. Nauk SSSR 130, 973-976 (1960). Reviewer: L. Ilieff Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 30-XX Functions of a complex variable Keywords:complex functions PDF BibTeX XML Cite \textit{I. V. Ostrovskiĭ}, Sov. Math., Dokl. 1, 114--117 (1960; Zbl 0096.05304); translation from Dokl. Akad. Nauk SSSR 130, 973--976 (1960)