Bôcher, M. On the differential equation \(\Delta u + k^2u = 0\). (English) JFM 25.0614.02 American J. XV, 78-83 (1893). Reviewer: Schafheitlin, Dr. (Charlottenburg) PDFBibTeX XMLCite \textit{M. Bôcher}, Am. J. Math. 15, 78--83 (1893; JFM 25.0614.02) Full Text: DOI
Page, James M. On the primitive groups of transformations in space of four dimensions. (English) JFM 20.0373.01 Am. J. Math. 10, 293-346 (1888); auch als Diss. Leipzig (1888). Reviewer: Engel, Prof. (Leipzig) MSC: 57Sxx PDFBibTeX XMLCite \textit{J. M. Page}, Am. J. Math. 10, 293--346 (1888; JFM 20.0373.01) Full Text: DOI