@article{10_14708_wm_v12i2_2022,
     author = {. Redaktor},
     title = {IX {Zjazd} {Matematyk\'ow} {Polskich}},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 203--225},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {1971},
     doi = {10.14708/wm.v12i2.2022},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v12i2.2022/}
}