@article{GDZPPN002209721,
title = {Non-normal del Pezzo durfaces and Fano threefolds of the first kind.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {426},
year = {1992},
pages = {183-190},
zbl = {0744.14029},
url = {http://dml.mathdoc.fr/item/GDZPPN002209721}
}
Furushima, M.; Tada, Minoru. Non-normal del Pezzo durfaces and Fano threefolds of the first kind.. Journal für die reine und angewandte Mathematik, Tome 426 (1992) pp. 183-190. http://gdmltest.u-ga.fr/item/GDZPPN002209721/