@Article{	  dmm99tcs,
  author	= "Volker Diekert and {\relax Yu}ri Matiyasevich and Anca
		  Muscholl",
  journal	= "Theoretical Computer Science",
  volume	= "224",
  pages		= "215--235",
  title		= "Solving word equations modulo partial commutations",
  year		= "1999",
  note		= "Special issue of LFCS'97",
  doi		= "10.1016/S0304-3975(98)00313-2"
}