TY - JOUR AU - Herbert S. Wilf AU - Doron Zeilberger TI - An algorithmic proof theory for hypergeometric (ordinary and JO - Inventiones mathematicae PY - 1992 SP - 575 EP - 634 VL - 108 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1992__108_2_144006/ ID - IM_1992__108_2_144006 ER -