@inproceedings{DBLP:conf/issac/Bronstein91,
  author    = {Manuel Bronstein},
  title     = {The Risch Differential equation on an Algebraic Curve},
  booktitle = {ISSAC},
  year      = {1991},
  pages     = {241-246},
  ee        = {http://doi.acm.org/10.1145/120694.120731},
  crossref  = {DBLP:conf/issac/1991},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/issac/1991,
  editor    = {Stephen M. Watt},
  title     = {Proceedings of the 1991 International Symposium on Symbolic
               and Algebraic Computation, ISSAC '91, Bonn, Germany, July
               15-17, 1991},
  booktitle = {ISSAC},
  publisher = {ACM},
  year      = {1991},
  isbn      = {0-89791-437-6},
  ee        = {http://dl.acm.org/citation.cfm?id=120694},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}