Fu, Guosheng http://orcid.org/0000-0002-4578-924X
Lehrenfeld, Christoph
Linke, Alexander
Streckenbach, Timo
Funding for this research was provided by:
Division of Mathematical Sciences (2012031)
Article History
Received: 7 July 2020
Revised: 10 December 2020
Accepted: 19 December 2020
First Online: 3 February 2021