@article{10_4171_dm_901, author = {Danny Ofek}, title = {Reduction of structure to parabolic subgroups}, journal = {Documenta mathematica}, pages = {1421--1446}, year = {2022}, volume = {27}, doi = {10.4171/dm/901}, url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/901/} }