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@article{MM2_1994__83_3-4_155943, author = {M.G.C. Andrade and E.L.C. Fanti}, title = {A {Relative} cohomological invariant for group pairs.}, journal = {Manuscripta mathematica}, pages = {1--18}, publisher = {mathdoc}, volume = {83}, number = {3-4}, year = {1994}, zbl = {0837.20061}, url = {http://geodesic.mathdoc.fr/item/MM2_1994__83_3-4_155943/} }
M.G.C. Andrade; E.L.C. Fanti. A Relative cohomological invariant for group pairs.. Manuscripta mathematica, Tome 83 (1994) no. 3-4, pp. 1-18. http://geodesic.mathdoc.fr/item/MM2_1994__83_3-4_155943/