@article {IOPORT.05452451,
    author       = {Ayala, Guillermo and Le\'on, Teresa and Zapater, Victoria},
    title        = {Different averages of a fuzzy set with an application to vessel segmentation.},
    year         = {2005},
    journal      = {IEEE Transactions on Fuzzy Systems},
    volume       = {13},
    number       = {3},
    issn         = {1063-6706},
    pages        = {384-393},
    publisher    = {Institute of Electrical and Electronics Engineers (IEEE), Washington, DC},
    doi          = {10.1109/TFUZZ.2004.839667},
    identifier   = {05452451},
}