@article{10_14708_dm_v25i01_6649,
     author = {Zbigniew Semadeni},
     title = {Sp{\l}aszczanie si\k{e} hierarchii poj\k{e}\'c, horyzontalne i wertykalne sk{\l}adowe matematyzacji i wieloznaczno\'s\'c terminu {\quotedblbase}model{\textquotedblright}},
     journal = {Didactica Mathematicae},
     pages = { 111--150},
     publisher = {mathdoc},
     volume = {25},
     number = {01},
     year = {2003},
     doi = {10.14708/dm.v25i01.6649},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/dm.v25i01.6649/}
}