@article{10_4171_dm_442,
     author = {Gon\c{c}alo Tabuada},
     title = {$E_n$-regularity implies $E_{n-1}$-regularity},
     journal = {Documenta mathematica},
     pages = {121--139},
     year = {2014},
     volume = {19},
     doi = {10.4171/dm/442},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/442/}
}