TY - JOUR AU - E. L. Nol'de TI - Nonnegative eigenfunction of the Laplace–Beltrami operator on symmetric spaces with a complex semisimple group of motions JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1966 VL - 21 IS - 5 UR - http://geodesic.mathdoc.fr/item/RM_1966_21_5_a13/ LA - ru ID - RM_1966_21_5_a13 ER -