@article{10_14708_dm_v38i0_1929,
     author = {Radek Krpec},
     title = {Izomorfizm jako narz\k{e}dzie uog\'olniania (w kombinatoryce)},
     journal = {Didactica Mathematicae},
     publisher = {mathdoc},
     volume = {38},
     year = {2016},
     doi = {10.14708/dm.v38i0.1929},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/dm.v38i0.1929/}
}