@article{AUPCDM_2019_11_1_a8,
     author = {Zieli\'nski, Marcin},
     title = {Cardinality of the sets of all bijections, injections and surjections},
     journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia},
     pages = {143--151},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPCDM_2019_11_1_a8/}
}