@article{01973832,
title = {On the subgroups of the Picard group.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {44},
year = {2003},
pages = {383-387},
zbl = {1043.20023},
language = {en},
url = {http://dml.mathdoc.fr/item/01973832}
}
Yılmaz Özgür, Nihal. On the subgroups of the Picard group.. Beiträge zur Algebra und Geometrie, Tome 44 (2003) pp. 383-387. http://gdmltest.u-ga.fr/item/01973832/