@article{GDZPPN002210800,
title = {Towards the Chow ring of the Hilbert scheme of P2.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {435},
year = {1993},
pages = {33-44},
zbl = {0814.14003},
url = {http://dml.mathdoc.fr/item/GDZPPN002210800}
}
Ellingsrud, Geir; Stromme, Stein A. Towards the Chow ring of the Hilbert scheme of P2.. Journal für die reine und angewandte Mathematik, Tome 435 (1993) pp. 33-44. http://gdmltest.u-ga.fr/item/GDZPPN002210800/