@article{10_14708_wm_v11i1_2114,
     author = {. Redaktor},
     title = {Rozwi\k{a}zanie zada\'n 70 i 151},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 113--115},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {1969},
     doi = {10.14708/wm.v11i1.2114},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v11i1.2114/}
}