@article{10_14708_wm_v25i01_4007,
     author = {H. Freudenthal},
     title = {Nowa matematyka czy nowe jej nauczanie?},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 123--141},
     publisher = {mathdoc},
     volume = {25},
     number = {01},
     year = {1983},
     doi = {10.14708/wm.v25i01.4007},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v25i01.4007/}
}