@article{CMJ_2001_51_4_a14,
     author = {Konieczny, Janusz},
     title = {Second centralizers of partial transformations},
     journal = {Czechoslovak Mathematical Journal},
     pages = {873--888},
     year = {2001},
     volume = {51},
     number = {4},
     mrnumber = {1864048},
     zbl = {1003.20053},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2001_51_4_a14/}
}