TY - JOUR AU - M. A. Olshanetsky TI - The Martin boundary for the Laplace--Beltrami operator on a~Riemannian symmetric space of nonpositive curvature JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1969 VL - 24 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1969_24_6_a3/ LA - ru ID - RM_1969_24_6_a3 ER -