Sawayama, Yuzaburo An extension of the definitions of perpendicular and power. (English) Zbl 0012.21904 Tohoku Math. J. 41, 156-168 (1935). PDFBibTeX XMLCite \textit{Y. Sawayama}, Tôhoku Math. J. 41, 156--168 (1935; Zbl 0012.21904)
Sawayama, Y. An extension of the definitions of perpendicular and power. (English) JFM 61.1345.01 Tôhoku math. Journ. 41, 156-168 (1935). Reviewer: Zacharias, M., Prof. (Berlin) PDFBibTeX XMLCite \textit{Y. Sawayama}, Tôhoku Math. J. 41, 156--168 (1935; JFM 61.1345.01)
Sawayama, Y. An extension of a theorem of Salmon. (English) JFM 48.0726.02 Tôhoku Math. J. 22, 77-78 (1922). Reviewer: Szegö, Prof. (Königsberg i. Pr.) PDFBibTeX XMLCite \textit{Y. Sawayama}, Tôhoku Math. J. 22, 77--78 (1922; JFM 48.0726.02)
Sawayama, Y. Inversion with respect to a conic. (English) JFM 45.1347.02 Tôhoku Math. J. 6, 166-194 (1915). Reviewer: Szegö, Dr. (Berlin) PDFBibTeX XMLCite \textit{Y. Sawayama}, Tôhoku Math. J. 6, 166--194 (1915; JFM 45.1347.02)
Sawayama, Y. Inversion with respect to a conic. (English) JFM 45.0940.06 Tôhoku Math. J. 6, 166-174 (1914). PDFBibTeX XMLCite \textit{Y. Sawayama}, Tôhoku Math. J. 6, 166--174 (1914; JFM 45.0940.06)
Sawayama, Y. The eleven points conics. (English) JFM 43.0663.02 Tôhoku Math. J. 1, 187-194 (1912). Reviewer: Baruch, Dr. (Berlin) MSC: 51M04 PDFBibTeX XMLCite \textit{Y. Sawayama}, Tôhoku Math. J. 1, 187--194 (1912; JFM 43.0663.02) Full Text: Link