@unpublished{DeXingHui2008,
  author  = {Kong De-Xing and Yao Hui},
  title   = {Global exact boundary controllability of a class of quasilinear hyperbolic systems of conservation laws II},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprint},
  number    = {(2003) 08},
  year    = {2008},
}