TY - JOUR AU - Thi Ha Duong Phan TI - Two sided sand piles model and unimodal sequences JO - RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications PY - 2008 SP - 631 EP - 646 VL - 42 IS - 3 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ita:2008019/ DO - 10.1051/ita:2008019 LA - en ID - ITA_2008__42_3_631_0 ER -