@article{10_4064_am_9_2_113_121,
     author = {Z. Cylkowski and W. Klonecki},
     title = {Rozk{\l}ady znak\'ow wska\'znik\'ow {Perkala}},
     journal = {Applicationes Mathematicae},
     pages = {113--121},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {1966},
     doi = {10.4064/am-9-2-113-121},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-9-2-113-121/}
}