![](/img/cover-not-exists.png)
Does any convex quadrilateral have circumscribed ellipses?
Li, Jia Hui, Wang, Zhuo Qun, Shen, Yi Xi, Dai, Zhong YuanVolume:
15
Language:
english
Journal:
Open Mathematics
DOI:
10.1515/math-2017-0117
File:
PDF, 1.25 MB
english