refs.bib

@book {Passman,
    AUTHOR = {Passman, Donald S.},
     TITLE = {The algebraic structure of group rings},
      NOTE = {Reprint of the 1977 original},
 PUBLISHER = {Robert E. Krieger Publishing Co., Inc., Melbourne, FL},
      YEAR = {1985},
     PAGES = {xiv+734},
      ISBN = {0-89874-789-9},
   MRCLASS = {16-02 (16A26 16A27)},
  MRNUMBER = {798076},
}
@article {Gardam21,
    AUTHOR = {Gardam, Giles},
     TITLE = {A counterexample to the unit conjecture for group rings},
   JOURNAL = {Ann. of Math. (2)},
  FJOURNAL = {Annals of Mathematics. Second Series},
    VOLUME = {194},
      YEAR = {2021},
    NUMBER = {3},
     PAGES = {967--979},
      ISSN = {0003-486X},
   MRCLASS = {20C07},
  MRNUMBER = {4334981},
MRREVIEWER = {E. Formanek},
       DOI = {10.4007/annals.2021.194.3.9},
       URL = {https://doi.org/10.4007/annals.2021.194.3.9},
}
@article{Murray21,
     TITLE = {More Counterexamples to the Unit Conjecture for Group Rings},
    AUTHOR = {Murray, Alan G.},
      NOTE = {arXiv preprint arXiv:2106.02147},
      YEAR = {2021}
}
@article {Bartholdi23,
    AUTHOR = {Bartholdi, Laurent},
     TITLE = {On {G}ardam's and {M}urray's units in group rings},
   JOURNAL = {Algebra Discrete Math.},
  FJOURNAL = {Algebra and Discrete Mathematics},
    VOLUME = {35},
      YEAR = {2023},
    NUMBER = {1},
     PAGES = {22--29},
      ISSN = {1726-3255},
   MRCLASS = {20C07 (16S34 16U60)},
  MRNUMBER = {4611395},
}
@article {Mirowicz91,
    AUTHOR = {Mirowicz, Maciej},
     TITLE = {Units in group rings of the infinite dihedral group},
   JOURNAL = {Canad. Math. Bull.},
  FJOURNAL = {Canadian Mathematical Bulletin. Bulletin Canadien de
              Math\'{e}matiques},
    VOLUME = {34},
      YEAR = {1991},
    NUMBER = {1},
     PAGES = {83--89},
      ISSN = {0008-4395},
   MRCLASS = {16U60},
  MRNUMBER = {1108933},
MRREVIEWER = {Sudarshan K. Sehgal},
       DOI = {10.4153/CMB-1991-013-4},
       URL = {https://doi.org/10.4153/CMB-1991-013-4},
}