Retraction and extension of mappings of metric and nonmetric spaces Olof Hanner OriginalPaper Pages: 315 - 360
Inclusion relations among methods of summability compounded from given matrix methods Ralph Palmer Agnew OriginalPaper Pages: 361 - 374
Remarques sur les corps résolvants des coniques, cubiques et quartiques Trygve Nagell OriginalPaper Pages: 379 - 384