TY - JOUR AU - L. A. Ivanov TI - On Kirchhoff's formulas in symmetric spaces of rank~$1$ JO - Doklady Akademii Nauk PY - 1981 SP - 783 EP - 785 VL - 260 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1981_260_4_a2/ LA - ru ID - DAN_1981_260_4_a2 ER -