@article{10_14708_am_v2i1_611,
     author = {Krzysztof Tatarkiewicz},
     title = {PEWNE {R\'OWNANIE} {LEONHARDA} {EULERA}},
     journal = {Antiquitates Mathematicae},
     pages = { 103--120},
     publisher = {mathdoc},
     volume = {2},
     year = {2008},
     doi = {10.14708/am.v2i1.611},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/am.v2i1.611/}
}