J. F. Steffensen
Copenhagen
TBD
mathscidoc:1701.33953
B. E. Johnson
University of Newcastle upon Tyne, England
TBD
mathscidoc:1701.332395
Jan Persson
Institutt for matematiske realfag, Universitetet i Tromsö
TBD
mathscidoc:1701.332541
Mei-Chu Chang
Mathematics Department, University of California
TBD
mathscidoc:1701.332668