@article{10_14708_dm_v9i01_6877,
     author = {Katarzyna Knoch},
     title = {Uczniowie klasy {VIII} badaj\k{a} przebieg zmienno\'sci funkcji},
     journal = {Didactica Mathematicae},
     pages = { 173--190},
     publisher = {mathdoc},
     volume = {9},
     number = {01},
     year = {1988},
     doi = {10.14708/dm.v9i01.6877},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/dm.v9i01.6877/}
}