C. Haberl, F. Schuster:
"Affine vs. Euclidean isoperimetric inequalities";
Advances in Mathematics, 356 (2019).
http://dx.doi.org/10.1016/j.aim.2019.106811Electronic version of the publication:
https://www.sciencedirect.com/science/article/pii/S0001870819304281?via%3Dihub