TY - JOUR AU - A. W. Niukkanen TI - Transformation of the Triple Series of Gelfand, Graev, and Retakh into a Series of the Same Type and Related Problems JO - Matematičeskie zametki PY - 2011 SP - 384 EP - 392 VL - 89 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2011_89_3_a7/ LA - ru ID - MZM_2011_89_3_a7 ER -