Heylen, Jan https://orcid.org/0000-0002-2809-3320
Funding for this research was provided by:
Fonds Wetenschappelijk Onderzoek (G088219N)
Article History
Received: 17 September 2019
Accepted: 22 July 2020
First Online: 29 October 2020
Change Date: 12 February 2026
Change Type: Update
Change Details: The original online version of this article was revised: The explanation paragraph for Lemma 2 equation has been corrected.