@article{RM_1994_49_2_a6,
     author = {A. A. Chashka},
     title = {Fluctuations in martingales},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {148--150},
     publisher = {mathdoc},
     volume = {49},
     number = {2},
     year = {1994},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1994_49_2_a6/}
}