@article{10_14708_dm_v27i01_6636,
     author = {Piotr Zarzycki},
     title = {Wybrane z {ZDM} , cz\k{e}\'s\'c {X}},
     journal = {Didactica Mathematicae},
     pages = { 237--242},
     publisher = {mathdoc},
     volume = {27},
     number = {01},
     year = {2004},
     doi = {10.14708/dm.v27i01.6636},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/dm.v27i01.6636/}
}