%0 Journal Article %A Baur, Walter %T Decidability and undecidability of theories of abelian groups with predicates for subgroups %J Compositio Mathematica %D 1975 %P 23-30 %V 31 %N 1 %I Noordhoff International Publishing %U http://www.numdam.org/item/CM_1975__31_1_23_0/ %G en %F CM_1975__31_1_23_0