著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) NG A. Y.,Policy invariance under reward transformations : Theory and application to reward shaping,Proc. of the Sixteenth International Conference on Machine Learning,,,1999,,,,https://cir.nii.ac.jp/crid/1570009750040818432,