Busklein, Frederik; Waadeland, Haakon Erratum: A geometric property for certain slit mappings. (Norwegian) Zbl 0312.30008 Nordisk Mat. Tidskr. 22, 121 (1974). MSC: 30C35 30C55 PDFBibTeX XMLCite \textit{F. Busklein} and \textit{H. Waadeland}, Nordisk Mat. Tidskr. 22, 121 (1974; Zbl 0312.30008)
Busklein, Fredrik; Waadeland, Haakon A geometric property for certain slit mappings. (Norwegian) Zbl 0273.30009 Nordisk Mat. Tidskr. 21, 33-39 (1973). MSC: 30C35 30C55 PDFBibTeX XMLCite \textit{F. Busklein} and \textit{H. Waadeland}, Nordisk Mat. Tidskr. 21, 33--39 (1973; Zbl 0273.30009)
Waadeland, H. Playing with a lemma. (Norwegian) Zbl 0217.09601 Nordisk Mat. Tidskr. 19, 30-38 (1971). MSC: 30C15 30C20 30C80 PDFBibTeX XMLCite \textit{H. Waadeland}, Nordisk Mat. Tidskr. 19, 30--38 (1971; Zbl 0217.09601)