@article{DAN_1961_141_2_a8, author = {E. B. Dynkin}, title = {Non-negative eigenfunctions of the {Laplace-Beltrami} operator and {Brownian} motion in certain symmetric spaces}, journal = {Doklady Akademii Nauk}, pages = {288--291}, publisher = {mathdoc}, volume = {141}, number = {2}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_141_2_a8/} }