@article{MZ_1986__193_173778,
     author = {A.A. Bruen and J.W.P. Hirschfeld},
     title = {Intersections in {Projective} {Space} {I:} {Combinatorics.}},
     journal = {Mathematische Zeitschrift},
     pages = {215--226},
     publisher = {mathdoc},
     volume = {193},
     year = {1986},
     zbl = {0579.51010},
     url = {http://geodesic.mathdoc.fr/item/MZ_1986__193_173778/}
}