Butler groups of infinite rank and axiom 3
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Ulrich F. Albrecht, Paul Hill (1987)
Czechoslovak Mathematical Journal
Clorinda De Vivo, Claudia Metelli (2007)
Colloquium Mathematicae
We characterize a particular kind of decomposition of a Butler group that is the general case for Butler B(1)-groups; and exhibit a decomposition of a B(2)-group which is not of that kind.
Fred Richman (1984)
Rendiconti del Seminario Matematico della Università di Padova
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