Reference (bibtex)

@article {HrVe2004,
    AUTHOR = {Hryniv, O. and Velenik, Y.},
     TITLE = {Universality of critical behaviour in a class of recurrent
              random walks},
   JOURNAL = {Probab. Theory Related Fields},
  FJOURNAL = {Probability Theory and Related Fields},
    VOLUME = {130},
      YEAR = {2004},
    NUMBER = {2},
     PAGES = {222--258},
}