%0 Journal Article %A Haibao Duan %T The Cohomology of Projective Unitary Groups %J Informatics and Automation %D 2024 %P 173-192 %V 326 %U http://geodesic.mathdoc.fr/item/TRSPY_2024_326_a7/ %G ru %F TRSPY_2024_326_a7