@article{10_14708_cm_v28i2_6237,
     author = {Z. K{\cyro}minek},
     title = {Some properties of decompositions of a commutative group},
     journal = {Commentationes Mathematicae},
     pages = { 249--252},
     publisher = {mathdoc},
     volume = {28},
     number = {2},
     year = {1989},
     doi = {10.14708/cm.v28i2.6237},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v28i2.6237/}
}