@article{GDZPPN002336332,
title = {The distribution of bidegrees of smooth surfaces in Gr (1, P3).},
journal = {Mathematische Annalen},
volume = {293},
year = {1992},
pages = {127-148},
zbl = {0741.14017},
url = {http://dml.mathdoc.fr/item/GDZPPN002336332}
}
Gross, Mark. The distribution of bidegrees of smooth surfaces in Gr (1, P3).. Mathematische Annalen, Tome 293 (1992) pp. 127-148. http://gdmltest.u-ga.fr/item/GDZPPN002336332/