@article{GDZPPN002435861,
title = {Picard Groups of Singular Affine Curves over a Perfect Fields.},
journal = {Mathematische Zeitschrift},
volume = {199},
year = {1988},
pages = {301-312},
zbl = {0637.14006},
url = {http://dml.mathdoc.fr/item/GDZPPN002435861}
}
Wiegand, Roger. Picard Groups of Singular Affine Curves over a Perfect Fields.. Mathematische Zeitschrift, Tome 199 (1988) pp. 301-312. http://gdmltest.u-ga.fr/item/GDZPPN002435861/