@article{oai:soar-ir.repo.nii.ac.jp:00018398,
 author = {Narita, Keiko and Artur, Korniłowicz and Shidama, Yasunari},
 issue = {1},
 journal = {Formalized Mathematics},
 month = {Jan},
 note = {Article, Formalized Mathematics. 20(1): 65-71 (2012)},
 pages = {65--71},
 title = {The Differentiable Functions from R into R^n},
 volume = {20},
 year = {2012}
}