@article{noguera2009,
	title     = {First-order t-norm based fuzzy logics with truth-constants: distinguished semantics and completeness properties},
	author    = {Francesc Esteva and  Lluís Godo and  Carles Noguera},
	year      = {2009},
	journal   = {Annals of Pure and Applied Logic},
	volume    = {161},
	pages     = {185 -- 202},
	state     = {published},
	acknowledged= {1}
}