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@article{AM2_1994__48_2-3_137614, author = {M. Marshall}, title = {On {Br\"ocker's} t-invariant and separating families for constructible sets.}, journal = {Aequationes mathematicae}, pages = {306--316}, publisher = {mathdoc}, volume = {48}, number = {2-3}, year = {1994}, zbl = {0829.14026}, url = {http://geodesic.mathdoc.fr/item/AM2_1994__48_2-3_137614/} }
M. Marshall. On Bröcker's t-invariant and separating families for constructible sets.. Aequationes mathematicae, Tome 48 (1994) no. 2-3, pp. 306-316. http://geodesic.mathdoc.fr/item/AM2_1994__48_2-3_137614/