@article{JAC_2004__20_2_a5,
     author = {Br\"and\'en, Petter},
     title = {On operators on polynomials preserving real-rootedness and the {Neggers-Stanley} conjecture},
     journal = {Journal of Algebraic Combinatorics},
     pages = {119--130},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2004__20_2_a5/}
}