@article{JRAM_1993__441_153542,
     author = {Geir Ellingsrud and Stein A. Stromme},
     title = {Towards the {Chow} ring of the {Hilbert} scheme of {P2.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {33--44},
     publisher = {mathdoc},
     volume = {441},
     year = {1993},
     zbl = {0814.14003},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1993__441_153542/}
}