@article{10_14708_wm_v21i02_3639,
     author = {Z. Krygowska},
     title = {Nauczanie matematyki uczni\'ow w wieku 10-16 lat {\textemdash} stan aktualny i tendencje},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 193--211},
     year = {1979},
     volume = {21},
     number = {02},
     doi = {10.14708/wm.v21i02.3639},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v21i02.3639/}
}