@article{TVP_2005_50_4_a6,
     author = {B. D. Gnedenko},
     title = {On one extension of a martingale},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {763--767},
     publisher = {mathdoc},
     volume = {50},
     number = {4},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_2005_50_4_a6/}
}