Infinite combinatorics. (English)
Graham, R. L. (ed.) et al., Handbook of combinatorics. Vol. 1-2. Amsterdam: Elsevier (North-Holland). 2085-2116 (1995).
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Almost free modules. Set-theoretic methods. (English)
North-Holland Mathematical Library, 46. Amsterdam etc.: North-Holland. xvi, 481 p. \$ 115.50; Dfl. 225.00 (1990).
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