%0 Journal Article %A Zev Rosengarten %T Picard Groups of Algebraic Groups and an Affineness Criterion %J Comptes Rendus. Mathématique %D 2023 %P 559-564 %V 361 %I Académie des sciences, Paris %R 10.5802/crmath.419 %G en %F CRMATH_2023__361_G2_559_0