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@article{MZ_1981__176_183640, author = {Heinz M\"uller}, title = {Decomposition {Theorems} for {Group} {Pairs.}}, journal = {Mathematische Zeitschrift}, pages = {223--246}, publisher = {mathdoc}, volume = {176}, year = {1981}, zbl = {0459.20045}, url = {http://geodesic.mathdoc.fr/item/MZ_1981__176_183640/} }
Heinz Müller. Decomposition Theorems for Group Pairs.. Mathematische Zeitschrift, Tome 176 (1981), pp. 223-246. http://geodesic.mathdoc.fr/item/MZ_1981__176_183640/