"Joken Son,Naoya Inoue,YUKIHIKO YAMASHITA","Geometrically local isotropic independence and numerical analysis of  the Mahalanobis metric in vector space",,"Pattern Recognition Letters",,"vol. 31","no. 8","pp. 709-716",2010,June
"Son Joken,Naoya Inoue,Yukihiko Yamashita","Numerical analysis of Mahalanobis metric in vector space",,"Proc. of 19th International Conference on Pattern Recognition",,,,,2008,Nov.
"孫汝軒,井之上直矢,山下幸彦","ベクトル空間上のMahalanobis計量のNewton-Raphson法による数値解析","第10回情報論的学習理論ワークショップ",,,,,"pp. 97-102",2007,Nov.