@article{gemmis1991,
  title={Department of Computer Science},
  author={Marco de Gemmis and Ernesto William and De Luca and Tommaso Di Noia and Aldo Gangemi and Michael Hausenblas and Pasquale Lops and Thomas Lukasiewicz and Till Plumbaum and Giovanni Semeraro},
  year={1991},
  journal={Journal of Computational and Applied Mathematics},
  doi={10.1016/s0377-0427(91)90073-s},
  url={https://doi.org/10.1016/s0377-0427(91)90073-s}
}