@article{DM_1997_9_2_a13,
     author = {S. G. Gushchin},
     title = {A conditional limit theorem with a random number of summands},
     journal = {Diskretnaya Matematika},
     pages = {131--138},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1997_9_2_a13/}
}