@article{AUPCDM_2009_2_1_a5,
     author = {K\k{a}kol, Henryk and Paj\k{a}k, Witold},
     title = {Rola programu komputerowego {CABRI} w rozwi\k{a}zywaniu matematycznych problem\'ow},
     journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia},
     pages = {69--96},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {2009},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/AUPCDM_2009_2_1_a5/}
}