@article{AUPCDM_2006_1_1_a6,
     author = {Klakla, Maciej},
     title = {Gotowa wiedza i aktywno\'s\'c w matematycznym kszta{\l}ceniu na przyk{\l}adzie k\k{a}t\'ow {Langleya}},
     journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia},
     pages = {75--93},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {2006},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/AUPCDM_2006_1_1_a6/}
}