%0 Journal Article %A Suyoung Choi %A Jang Soo Kim %T A combinatorial proof of a formula for Betti numbers of a stacked polytope %J The electronic journal of combinatorics %D 2010 %V 17 %U http://geodesic.mathdoc.fr/articles/10.37236/281/ %R 10.37236/281 %F 10_37236_281