I'll use a dedicated hashtag for the translation: #BÜDIVP-𝑛, with 𝑛 counting the sentences.
Hausdorff's article describes a discovery which nowadays goes by the name 'Hausdorff paradox'. It is considered a forerunner of the famous 'Banach-Tarski-Paradoxon'.
"Bemerkung über den Inhalt von Punktmengen."
Tr.: 'Remark on the content of point sets.'