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@article{MZ_1988__200_3_174010, author = {Roger Wiegand}, title = {Picard {Groups} of {Singular} {Affine} {Curves} over a {Perfect} {Fields.}}, journal = {Mathematische Zeitschrift}, pages = {301--312}, publisher = {mathdoc}, volume = {200}, number = {3}, year = {1988}, zbl = {0637.14006}, url = {http://geodesic.mathdoc.fr/item/MZ_1988__200_3_174010/} }
Roger Wiegand. Picard Groups of Singular Affine Curves over a Perfect Fields.. Mathematische Zeitschrift, Tome 200 (1988) no. 3, pp. 301-312. http://geodesic.mathdoc.fr/item/MZ_1988__200_3_174010/