@article{MZM_1994_56_3_a3,
     author = {A. G. Ganyushkin and T. V. Kormysheva},
     title = {On nilpotent subsemigroups of a~finite symmetrical inverse semigroup},
     journal = {Matemati\v{c}eskie zametki},
     pages = {29--35},
     publisher = {mathdoc},
     volume = {56},
     number = {3},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1994_56_3_a3/}
}