Reference (bibtex)

@article {Aoun+Ioffe+Ott+Velenik-2021,
    AUTHOR = {Aoun, Yacine and Ioffe, Dmitry and Ott, S\'{e}bastien and Velenik,
              Yvan},
     TITLE = {Non-analyticity of the correlation length in systems with
              exponentially decaying interactions},
   JOURNAL = {Comm. Math. Phys.},
  FJOURNAL = {Communications in Mathematical Physics},
    VOLUME = {386},
      YEAR = {2021},
    NUMBER = {1},
     PAGES = {433--467},
}