@inproceedings{godo2009,
	title     = {Secure and Optimal Base Contraction in Graded {\L}ukasiewicz Logics},
	author    = {Pere Pardo; Pilar Dellunde; Lluís Godo},
	year      = {2009},
	editor    = {S. Sandri, M. S\`anchez-Marr\'e and U. Cort\'es},
	volume    = {202},
	pages     = {265--274},
	publisher = {IOS Press},
	series    = {Frontiers in Artificial Intelligence and Applications},
	booktitle = { Proceedings of the 12th International Conference of the Catalan Association for Artificial Intelligence},
	state     = {published},
	acknowledged= {1},
	talk      = {1}
}