@article{10_14708_dm_v7i01_6918,
     author = {Werner Walsch},
     title = {Czy u\.zywanie kalkulator\'ow kieszonkowych podnosi poziom matematycznego kszta{\l}cenia uczni\'ow?},
     journal = {Didactica Mathematicae},
     pages = { 153--158},
     publisher = {mathdoc},
     volume = {7},
     number = {01},
     year = {1987},
     doi = {10.14708/dm.v7i01.6918},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/dm.v7i01.6918/}
}