@inproceedings{eprints3127,
          author = {Giorgio Gnecco and Marco Gori and Stefano Melacci and Marcello Sanguineti},
           title = {Learning with hard constraints as a limit case of learning with soft constraints},
       booktitle = {Proceedings of the 24 th European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning (ESANN)},
            year = {2016},
             url = {http://eprints.imtlucca.it/3127/}
}