Acu, Ana-Maria http://orcid.org/0000-0003-1192-2281
Rasa, Ioan
Funding for this research was provided by:
Hasso Plattner Excellence Research Grant, financed by the Knowledge Transfer Center of the Lucian Blaga University of Sibiu (LBUS-HPI-ERG-2020-07)
Article History
Received: 16 February 2022
Revised: 19 June 2022
Accepted: 26 November 2022
First Online: 16 December 2022
Declarations
:
: The authors declare no competing financial interests.
: The authors remarked that inequality (10.3) can be proved using Theorem 10.1. Details will appear in a forthcoming paper.