@article{10_14708_dm_v22i01_6723,
     author = {Agnieszka Demby},
     title = {Typy procedur algebraicznych, stosowanych przez uczni\'ow w wieku 13-15 lat},
     journal = {Didactica Mathematicae},
     pages = { 45--74},
     publisher = {mathdoc},
     volume = {22},
     number = {01},
     year = {2000},
     doi = {10.14708/dm.v22i01.6723},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/dm.v22i01.6723/}
}