@article{10_14708_dm_v21i01_6743,
     author = {Bo\.zena Ro\.zek},
     title = {Schemat my\'slowy szeregowo-kolumnowego uk{\l}adu figur u dzieci w wieku od 6 do 9 lat},
     journal = {Didactica Mathematicae},
     pages = { 129--134},
     year = {1999},
     volume = {21},
     number = {01},
     doi = {10.14708/dm.v21i01.6743},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/dm.v21i01.6743/}
}