@article{noguera2010,
	title     = {On expansions of WNM t-norm based logics with truth-constants},
	author    = {Francesc Esteva and  Lluís Godo and  Carles Noguera},
	year      = {2010},
	journal   = {Fuzzy Sets and Systems},
	volume    = {161},
	pages     = {347 -- 368},
	state     = {published},
	acknowledged= {1}
}