@article{TVP_2005_50_4_a0,
     author = {R. Ahlswede and V. M. Blinovskii},
     title = {About the number of step functions with restrictions},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {625--651},
     publisher = {mathdoc},
     volume = {50},
     number = {4},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_2005_50_4_a0/}
}