%0 Journal Article %A Felix Breuer %T Ehrhart \(f^*\)-coefficients of polytopal complexes are non-negative integers %J The electronic journal of combinatorics %D 2012 %V 19 %N 4 %U http://geodesic.mathdoc.fr/articles/10.37236/2106/ %R 10.37236/2106 %F 10_37236_2106