@inproceedings{STOC-1981-BertoniMS,
	author        = "Alberto Bertoni and Giancarlo Mauri and Nicoletta Sabadini",
	booktitle     = "{Proceedings of the 13th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800076.802470",
	pages         = "168--176",
	publisher     = "{ACM}",
	title         = "{A Characterization of the Class of Functions Computable in Polynomial Time on Random Access Machines}",
	year          = 1981,
}