On the approximation numbers of an operator and its adjoint C. V. Hutton OriginalPaper Pages: 277 - 280
Gruppen von Homotopieklassen von Abbildungen in Produkte von Eilenberg-Maclane-Räumen H. Scheerer OriginalPaper Pages: 281 - 294
On the total absolute curvature of closed curves in manifolds of negative curvature Yôtarô Tsukamoto OriginalPaper Pages: 313 - 319