@article{MASLO_1976_26_3_a9,
     author = {Marxen, Donald},
     title = {Neighborhoods of the identity of the free abelian topological groups},
     journal = {Mathematica slovaca},
     pages = {247--256},
     year = {1976},
     volume = {26},
     number = {3},
     mrnumber = {0432802},
     zbl = {0345.22001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1976_26_3_a9/}
}