TY - JOUR AU - F. M. Ragab TI - Expansions into double Kamp\'e de F\'eriet hypergeometric functions of higher orders JO - Doklady Akademii Nauk PY - 1964 SP - 519 EP - 521 VL - 159 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_159_3_a11/ LA - ru ID - DAN_1964_159_3_a11 ER -