@article{10_14708_cm_v6i1_5481,
     author = {J. Musielak},
     title = {Ci\k{a}gi o sko\'nczonej {M-wariacji}},
     journal = {Commentationes Mathematicae},
     pages = { 165--174},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {1961},
     doi = {10.14708/cm.v6i1.5481},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v6i1.5481/}
}