%0 Journal Article %A Mao, Lixin %T Ding projective and Ding injective modules over trivial ring extensions %J Czechoslovak Mathematical Journal %D 2023 %P 903-919 %V 73 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2023.0351-22/ %R 10.21136/CMJ.2023.0351-22 %G en %F 10_21136_CMJ_2023_0351_22