@article{AUPCDM_2013_5_1_a7,
     author = {Major, Joanna and Pow\k{a}zka, Zbigniew},
     title = {Z bada\'n nad analiz\k{a} rysunku i odkrywaniem w{\l}asno\'sci funkcji},
     journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia},
     pages = {95--104},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {2013},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/AUPCDM_2013_5_1_a7/}
}