TY - JOUR AU - I. M. Gel'fand AU - M. I. Graev TI - $GG$-functions and their relation to general hypergeometric functions JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1997 SP - 639 EP - 684 VL - 52 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1997_52_4_a0/ LA - en ID - RM_1997_52_4_a0 ER -