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@article{FORUM_1991__3_2_186412, author = {Manfred Dugas and Bernhard Thom\'e}, title = {The {Functor} {Bext} under the {Negation} of {CH.}}, journal = {Forum mathematicum}, pages = {23--34}, publisher = {mathdoc}, volume = {3}, number = {2}, year = {1991}, zbl = {0723.20033}, url = {http://geodesic.mathdoc.fr/item/FORUM_1991__3_2_186412/} }
Manfred Dugas; Bernhard Thomé. The Functor Bext under the Negation of CH.. Forum mathematicum, Tome 3 (1991) no. 2, pp. 23-34. http://geodesic.mathdoc.fr/item/FORUM_1991__3_2_186412/