@inproceedings{eprints1785,
           title = {Suboptimal Solutions to Dynamic Optimization Problems: Extended Ritz Method Versus Approximate Dynamic Programming},
       booktitle = {AIRO 2007},
            year = {2007},
           pages = {10},
          author = {Giorgio Gnecco and Marcello Sanguineti and Riccardo Zoppoli},
             url = {http://eprints.imtlucca.it/1785/}
}