@article{10_14708_dm_v28i01_6611,
     author = {Irena Trzcieniecka-Schneider},
     title = {S{\l}oneczny dzie\'n},
     journal = {Didactica Mathematicae},
     pages = { 125--127},
     publisher = {mathdoc},
     volume = {28},
     number = {01},
     year = {2005},
     doi = {10.14708/dm.v28i01.6611},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/dm.v28i01.6611/}
}