@article{10_5427_jsing_2013_7c,
     author = {Mark Andrea A. de Cataldo and Tam\'as Hausel, and Luca Migliorini},
     title = {Exchange between perverse and weight filtration for the {Hilbert} schemes of points of two surfaces},
     journal = {Journal of Singularities},
     pages = {23--38},
     publisher = {mathdoc},
     volume = {7},
     year = {2013},
     doi = {10.5427/jsing.2013.7c},
     url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2013.7c/}
}