@article{oai:soar-ir.repo.nii.ac.jp:00018399, author = {Miyajima, Keiichi and Artur, KorniƂowicz and Shidama, Yasunari}, issue = {1}, journal = {Formalized Mathematics}, month = {Jan}, note = {Article, Formalized Mathematics. 20(1): 79-86 (2012)}, pages = {79--86}, title = {Riemann Integral of Functions from R into n-dimensional Real Normed Space}, volume = {20}, year = {2012} }