机译:格罗腾迪克群的代数和半遗传代数
Department of Mathematics, University of Science and Technology of China Hefei 230026, China;
Department of Mathematics, West Anhui University, Luan 237012, China;
Department of Mathematics, Nanjing University, Nanjing 210093, China;
coalgebra; comodule; finitely cogenerated; injective; semihereditary;