@article{TVP_2005_50_4_a14,
     author = {R. Jajte},
     title = {Pointwise ergodic theorem for unbounded operators in~$\mathbf{L}_2$},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {806--818},
     year = {2005},
     volume = {50},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TVP_2005_50_4_a14/}
}