%0 Journal Article %A El Boukhari, Saad %T A twisted class number formula and Gross's special units over an imaginary quadratic field %J Czechoslovak Mathematical Journal %D 2023 %P 1333-1347 %V 73 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2023.0067-23/ %R 10.21136/CMJ.2023.0067-23 %G en %F 10_21136_CMJ_2023_0067_23