M. Ludwig, M. Reitzner:
"SL(n) invariant valuations on polytopes";
Discrete & Computational Geometry, 57 (2017), 3; 571 - 581.
http://dx.doi.org/10.1007/s00454-016-9838-7Electronic version of the publication:
http://link.springer.com/article/10.1007/s00454-016-9838-7