Almkvist, Gert The arithmetic-geometric mean and the arc length of the ellipse. (Swedish) Zbl 0417.65014 Nordisk Mat. Tidskr. 25-26, 121-130 (1978). MSC: 65D32 33E05 PDFBibTeX XMLCite \textit{G. Almkvist}, Nordisk Mat. Tidskr. 25--26, 121--130 (1978; Zbl 0417.65014)
Srivastava, H. M. An operational representation for the Laguerre polynomials. (English) Zbl 0378.33007 Nordisk Mat. Tidskr. 25-26, 137-138 (1978). MSC: 33C45 44A45 PDFBibTeX XMLCite \textit{H. M. Srivastava}, Nordisk Mat. Tidskr. 25--26, 137--138 (1978; Zbl 0378.33007)
Hilden, J.; Fenger, Kirsten A useful identity. (Danish) Zbl 0328.33002 Nordisk Mat. Tidskr. 24, 41-42 (1976). MSC: 33B15 PDFBibTeX XMLCite \textit{J. Hilden} and \textit{K. Fenger}, Nordisk Mat. Tidskr. 24, 41--42 (1976; Zbl 0328.33002)
Hovstad, Rolf M. A note on an elementary idea of Gotthold Eisenstein. (English) Zbl 0282.33001 Nordisk Mat. Tidskr. 21, 141-144 (1973). MSC: 33E05 30C15 PDFBibTeX XMLCite \textit{R. M. Hovstad}, Nordisk Mat. Tidskr. 21, 141--144 (1973; Zbl 0282.33001)
Lundh, Tommy Orthogonality properties of certain periodic functions. (Swedish) Zbl 0272.33020 Nordisk Mat. Tidskr. 21, 93-96, 128 (1973). MSC: 33C45 42C05 33B10 PDFBibTeX XMLCite \textit{T. Lundh}, Nordisk Mat. Tidskr. 21, 93--96, 128 (1973; Zbl 0272.33020)
Fog, David Remark on an apropos. (Danish) Zbl 0221.33001 Nordisk Mat. Tidskr. 19, 75-76 (1971). MSC: 33B10 PDFBibTeX XMLCite \textit{D. Fog}, Nordisk Mat. Tidskr. 19, 75--76 (1971; Zbl 0221.33001)