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@article{MM2_1997__93_4_156316, author = {R.B. Howlett and P.J. Rowley and D.E. Taylor}, title = {On {Outer} {Automorphism} {Groups} of {Coxeter} {Groups.}}, journal = {Manuscripta mathematica}, pages = {499--514}, publisher = {mathdoc}, volume = {93}, number = {4}, year = {1997}, zbl = {0888.20023}, url = {http://geodesic.mathdoc.fr/item/MM2_1997__93_4_156316/} }
R.B. Howlett; P.J. Rowley; D.E. Taylor. On Outer Automorphism Groups of Coxeter Groups.. Manuscripta mathematica, Tome 93 (1997) no. 4, pp. 499-514. http://geodesic.mathdoc.fr/item/MM2_1997__93_4_156316/