Decidability and undecidability of theories of abelian groups with predicates for subgroups
Compositio Mathematica, Volume 31 (1975) no. 1, pp. 23-30.
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     author = {Baur, Walter},
     title = {Decidability and undecidability of theories of abelian groups with predicates for subgroups},
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     number = {1},
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     zbl = {0335.02032},
     mrnumber = {384525},
     language = {en},
     url = {http://www.numdam.org/item/CM_1975__31_1_23_0/}
}
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Baur, Walter. Decidability and undecidability of theories of abelian groups with predicates for subgroups. Compositio Mathematica, Volume 31 (1975) no. 1, pp. 23-30. http://www.numdam.org/item/CM_1975__31_1_23_0/

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