@article{10_1090_S0894_0347_1992_1119198_9, author = {Bj\~A{\textparagraph}rner, Anders and Ziegler, G\~A{\textonequarter}nter M.}, title = {Combinatorial stratification of complex arrangements}, journal = {Journal of the American Mathematical Society}, pages = {105--149}, publisher = {mathdoc}, volume = {05}, number = {1}, year = {1992}, doi = {10.1090/S0894-0347-1992-1119198-9}, url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1992-1119198-9/} }