@article{10_14708_cm_v18i1_5800,
     author = {L. Drewnowski},
     title = {Some remarks on rearrangements of series},
     journal = {Commentationes Mathematicae},
     pages = { 7--9},
     year = {1974},
     volume = {18},
     number = {1},
     doi = {10.14708/cm.v18i1.5800},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v18i1.5800/}
}