Harry Hochstadt
Polytechnic Institute of Brooklyn, Brooklyn, N. Y., USA
TBD
mathscidoc:1701.331336
B. E. Johnson
University of Newcastle upon Tyne, England
TBD
mathscidoc:1701.332395
Juan Carlos Díaz
Matemáticas E. T. S. I. A. M., Universidad de Córdoba
Sean Dineen
University College Dublin, Beldfield, Dublin, Ireland
TBD
mathscidoc:1701.332885
A. Hurwitz
Königsberg i. Pr.
TBD
mathscidoc:1701.33206