@inproceedings{frasca2015selection,
  title={Selection of Negatives in Hopfield Networks},
  author={Frasca, Marco and Malchiodi, D},
  booktitle={International Workshop on Dynamics of Multi-Level Systems (DYMULT)},
  year={2015},
  url={http://frasca.di.unimi.it/papers/paper9.pdf}
}