@article{10_14708_wm_v12i2_2021,
     author = {. Redaktor},
     title = {Od {Redakcji}},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 203},
     year = {1971},
     volume = {12},
     number = {2},
     doi = {10.14708/wm.v12i2.2021},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v12i2.2021/}
}