TY - JOUR AU - Matusevich, Laura TI - Weyl closure of hypergeometric systems. JO - Collectanea mathematica PY - 2009 SP - 147 EP - 158 VL - 60 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CLTM_2009_2009_1_a11/ LA - en ID - CLTM_2009_2009_1_a11 ER -