@article{MZ_1984__186_173434,
     author = {Wojciech Banaszczyk and Maria Banaszczyk},
     title = {Characterization of {Nuclear} {Spaces} {Means} of {Additive} {Subgroups.}},
     journal = {Mathematische Zeitschrift},
     pages = {125--134},
     year = {1984},
     volume = {186},
     zbl = {0526.46004},
     url = {http://geodesic.mathdoc.fr/item/MZ_1984__186_173434/}
}