@article{MZ_1984__186_173425,
     author = {M. van der Put and Elkedagmar Heinrich},
     title = {\"Uber die {Picardgruppen} affinoider {Algebren.}},
     journal = {Mathematische Zeitschrift},
     pages = {9--28},
     publisher = {mathdoc},
     volume = {186},
     year = {1984},
     zbl = {0543.14011},
     url = {http://geodesic.mathdoc.fr/item/MZ_1984__186_173425/}
}