Comment on "Absence of the Mott Glass Phase in 1D Disordered Fermionic   Systems"
  Comment on the paper "Absence of the Mott Glass Phase in 1D Disordered Fermionic Systems" by T. Nattermann, A. Petkovic, Z. Ristivojevic, and F. Schutze, Phys. Rev. Lett. 99, 186402 (2007). 
Pierre Le Doussal, Thierry Giamarchi, Edmond Orignac