Charles L. Epstein
Department of Mathematics, University of Pennsylvania
Gennadi M. Henkin
Institut de Mathématique de Jussieu, Université de Paris VI
TBD
mathscidoc:1701.331892
R. M. Dudley
University of California, Berkeley, Cal., U.S.A.
TBD
mathscidoc:1701.332258
J. F. Steffensen
Cepenhagen
TBD
mathscidoc:1701.331105