@article{IVM_1984_4_a14,
     author = {I. Yu. Zotov},
     title = {A local ergodic theorem in symmetric spaces},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {67--69},
     year = {1984},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1984_4_a14/}
}