@article{oai:barrel.repo.nii.ac.jp:00005196, author = {小笠原, 春彦}, issue = {1}, journal = {商学討究 : The Economic Review (Otaru University of Commerce)}, month = {Jul}, pages = {1--17}, title = {Supplement to the paper “Predictive estimation of a covariance matrix and its structural parameters”}, volume = {69}, year = {2018} }