@article{10_14708_wm_v4i1_2493,
     author = {J. Mayr},
     title = {Dni tygodnia i matematyka},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 85--89},
     year = {1960},
     volume = {4},
     number = {1},
     doi = {10.14708/wm.v4i1.2493},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v4i1.2493/}
}