@article{BUMI_2007_8_10B_3_a8,
     author = {Arnold, David M. and Rangaswamy, Kulumani M.},
     title = {A {Note} on {Countable} {Butler} {Groups}},
     journal = {Bollettino della Unione matematica italiana},
     pages = {605--611},
     publisher = {mathdoc},
     volume = {Ser. 8, 10B},
     number = {3},
     year = {2007},
     zbl = {1142.20030},
     mrnumber = {2351532},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2007_8_10B_3_a8/}
}