Kazuhisa Nakasho, Hiroyuki Okazaki, Yasunari Shidama. Finite Dimensional Real Normed Spaces are Proper Metric Spaces. Formalized Mathematics, 29(4):175-184, 2021. [doi]
@article{NakashoOS21a,
title = {Finite Dimensional Real Normed Spaces are Proper Metric Spaces},
author = {Kazuhisa Nakasho and Hiroyuki Okazaki and Yasunari Shidama},
year = {2021},
doi = {10.2478/forma-2021-0017},
url = {https://doi.org/10.2478/forma-2021-0017},
researchr = {https://researchr.org/publication/NakashoOS21a},
cites = {0},
citedby = {0},
journal = {Formalized Mathematics},
volume = {29},
number = {4},
pages = {175-184},
}