@article{10_14708_cm_v19i2_5871,
     author = {A. So{\l}tysiak},
     title = {Capacity of finite systems of elements in {Banach} algebras},
     journal = {Commentationes Mathematicae},
     pages = { 381--387},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {1977},
     doi = {10.14708/cm.v19i2.5871},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v19i2.5871/}
}