@article{MAN_1993__296_4_165076,
     author = {Helmut A. Hamm and Dung Tr\'ang Le},
     title = {Relative homotopical depth and a conjecture of {Deligne.}},
     journal = {Mathematische Annalen},
     pages = {87--102},
     publisher = {mathdoc},
     volume = {296},
     number = {4},
     year = {1993},
     zbl = {0795.32014},
     url = {http://geodesic.mathdoc.fr/item/MAN_1993__296_4_165076/}
}