@article{TVP_1972_17_4_a5,
     author = {V. N. Sachkov},
     title = {Mappings of a finite set with limitations on contours and height},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {679--694},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1972_17_4_a5/}
}