@inproceedings{mohammad2011on,
title={On the$h$-triangles of sequentially ($S$_{$r$}) simplicial complexes via algebraic shifting},
author={Mohammad Reza Pournaki, Seyed Amin Seyed Fakhari, and Siamak Yassemi},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203634739633037},
booktitle={Arkiv for Matematik},
volume={51},
number={1},
pages={185-196},
year={2011},
}

Mohammad Reza Pournaki, Seyed Amin Seyed Fakhari, and Siamak Yassemi. On the$h$-triangles of sequentially ($S$_{$r$}) simplicial complexes via algebraic shifting. 2011. Vol. 51. In Arkiv for Matematik. pp.185-196. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203634739633037.