Vercenko, I. Ja. Über das Flächenmass von Mengen. (Russian. German summary) Zbl 0063.08041 Mat. Sb., N. Ser. 10(52), 11-32 (1942). Not reviewed Cited in 1 Document PDFBibTeX XMLCite \textit{I. Ja. Vercenko}, Mat. Sb., Nov. Ser. 10(52), 11--32 (1942; Zbl 0063.08041)