@article{Tomoyuki Nakagawa2017, title={Selection of the Linear and the Quadratic Discriminant Functions when the Difference between Two Covariance Matrices is Small}, author={Tomoyuki Nakagawa and Hirofumi Wakaki}, journal={JOURNAL OF THE JAPAN STATISTICAL SOCIETY}, volume={47}, number={2}, pages={145-165}, year={2017}, doi={10.14490/jjss.47.145} }