@article{ADL:IC:18,
 author    = {Martin Avanzini and
                  Ugo Dal Lago},
 title     = {On sharing, memoization, and polynomial time},
 year      = {2018},
 journal   = {Inf. Comput.},
 volume    = {261},
 pages     = {3--22},
 doi       = {10.1016/J.IC.2018.05.003},
 keywords  = {article}
}