@article{attie_block_weinberger_1992, 
  title={Characteristic classes and distortion of diffeomorphisms}, 
  DOI={10.1090/s0894-0347-1992-1145336-8}, 
  publisher={American Mathematical Society (AMS)}, 
  author={Attie and Block and Weinberger}, 
  year={1992}
  }