@InProceedings{	  DiekertMSScsr15,
  author	= "Volker Diekert and Florent Martin and G{\'{e}}raud
		  S{\'{e}}nizergues and Pedro V. Silva",
  title		= "Equations over free inverse monoids with idempotent
		  variables",
  booktitle	= "Proc. 10th International Computer Science Symposium in
		  Russia, CSR 2015, Listvyanka, Russia, July 13-17, 2015",
  pages		= "173-188",
  editor	= "Beklemishev, Lev D. and Musatov, Daniil V.",
  publisher	= "Springer",
  series	= "Lecture Notes in Computer Science",
  volume	= "9139",
  year		= "2015"
}