@article{AUPCDM_2017_9_1_a4,
     author = {S{\l}omczy\'nska, Katarzyna},
     title = {Jak bardzo przemienna mo\.ze by\'c grupa nieprzemienna?},
     journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia},
     pages = {99--110},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2017},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/AUPCDM_2017_9_1_a4/}
}