@article{TDM_2000_3_a12,
     author = {V. N. Sachkov},
     title = {Groups of permutations and semigroups of transforms with a given number of generating elements},
     journal = {Trudy po diskretnoj matematike},
     pages = {215--234},
     publisher = {mathdoc},
     volume = {3},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TDM_2000_3_a12/}
}