F. Besau, C. Schütt, E. Werner:
"Flag numbers and floating bodies";
Advances in Mathematics, 338 (2018), 912 - 952.
http://dx.doi.org/10.1016/j.aim.2018.09.006Electronic version of the publication:
https://www.sciencedirect.com/science/article/pii/S0001870818303372