@article{DM_2002_14_1_a9,
     author = {B. Ya. Ryabko and A. A. Fedotov},
     title = {An estimate for the mean efficiency of search trees constructed for arbitrary sets of binary words},
     journal = {Diskretnaya Matematika},
     pages = {142--150},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2002_14_1_a9/}
}