TY - JOUR AU - A. W. Niukkanen TI - Extending the factorization principle to hypergeometric series of general form JO - Matematičeskie zametki PY - 2000 SP - 573 EP - 581 VL - 67 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2000_67_4_a10/ LA - ru ID - MZM_2000_67_4_a10 ER -