TBD
Michael Wiegner
Institut für Mathematik der Universität Bayreuth, Bayreuth, Federal Republic of Germany
TBD
mathscidoc:1701.332551
Birger Faxén
Vindhemsgatan 10 B, UPPSALA
TBD
mathscidoc:1701.332550
W. T. Sledd
Michigan State University, E. Lansing, Michigan
D. A. Stegenga
Michigan State University, E. Lansing, Michigan
TBD
mathscidoc:1701.332549
Paolo Codecà
Istituto Matematico Dell'universitá, Via Machiavelli, 35, Ferrara, Italy
TBD
mathscidoc:1701.332548
F. H. Szafraniec
Instytut Matematyki, Uniwersytet Jagielloński
TBD
mathscidoc:1701.332547