@article{10_14708_wm_v28i01_4403,
     author = {Redaktor},
     title = {Zadania},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 102},
     publisher = {mathdoc},
     volume = {28},
     number = {01},
     year = {1988},
     doi = {10.14708/wm.v28i01.4403},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v28i01.4403/}
}