A Note on Additive Groups of Some Specific Torsion-Free Rings of Rank Three and Mixed Associative Rings Journal title: Discussiones Mathematicae - General Algebra and Applications Authors: Alireza Najafizadeh, Mateusz Woronowicz Subject(s):
A note on the square subgroups of decomposable torsion-free abelian groups of rank three Journal title: Annales Mathematicae Silesianae Authors: Mateusz Woronowicz Subject(s): Mathematics, Science