@article{10_14708_cm_v2i1_5396,
     author = {W. Sierpi\'nski},
     title = {O pewnych rozwini\k{e}ciach liczb rzeczywistych w iloczyny niesko\'nczone szybko zbie\.zne},
     journal = {Commentationes Mathematicae},
     pages = { 131--138},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1956},
     doi = {10.14708/cm.v2i1.5396},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v2i1.5396/}
}