@article{ZNSL_2008_360_a9,
     author = {A. G. O'Farrell and M. Roginskaya},
     title = {Reducing conjugacy in the full diffeomorphism group of~$\mathbb R$ to conjugacy in the subgroup of orientation-preserving maps},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {231--237},
     publisher = {mathdoc},
     volume = {360},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2008_360_a9/}
}