@article{KontorovichSinai2002,
  author    = {{Alex V. Kontorovich and Yakov G. Sinai}},
  title     = {{Structure Theorem for $(d, g, h)$-maps}},
  journal   = {{Bull. Braz. Math. Soc. (N.S.)}},
  year      = {{2002}},
  volume    = {{33}},
  pages     = {{213--224}},
  note      = {{MR 2003k:11034}},
}