TY - JOUR AU - Haibao Duan TI - The Cohomology of Projective Unitary Groups JO - Informatics and Automation PY - 2024 SP - 173 EP - 192 VL - 326 UR - http://geodesic.mathdoc.fr/item/TRSPY_2024_326_a7/ LA - ru ID - TRSPY_2024_326_a7 ER -