@article{MZM_2010_87_3_a15,
     author = {V. V. Doroshenko},
     title = {Most {Transformation} {Semigroups} {Are} {Free}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {464--467},
     publisher = {mathdoc},
     volume = {87},
     number = {3},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2010_87_3_a15/}
}