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On an extension of Nunokawa’s lemma

Crossref DOI link: https://doi.org/10.1007/s13324-021-00598-x

Published Online: 2022-01-15

Published Print: 2022-02

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Nunokawa, Mamoru

Sokół, Janusz https://orcid.org/0000-0003-1204-2286
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Text and Data Mining valid from 2022-01-15

Version of Record valid from 2022-01-15
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Article History

Received: 26 July 2021

Accepted: 1 September 2021

First Online: 15 January 2022

Compliance with ethical standards

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: The author declares no conflict of interest.