How to construct left-continuous triangular norms--state of the art.

Sándor Jenei How to construct left-continuous triangular norms--state of the art. 27-45 2004 143 Fuzzy Sets and Systems 1 http://dx.doi.org/10.1016/j.fss.2003.06.006 db/journals/fss/fss143.html#Jenei04