@article{10_14708_dm_v41i0_7031,
     author = {Micha{\l} Szurek},
     title = {Utopian {Mathematics} or {Wishful} {Teaching}},
     journal = {Didactica Mathematicae},
     pages = { 139--166},
     publisher = {mathdoc},
     volume = {41},
     year = {2019},
     doi = {10.14708/dm.v41i0.7031},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/dm.v41i0.7031/}
}