Similarity measures, penalty functions, and fuzzy entropy from new fuzzy subsethood measures. - Hélida Salles Santos; Inés Couso; Benjamín R. C. Bedregal; Zdenko Takác; Maria Minárová; Alfredo Asiain; Edurne Barrenechea; Humberto Bustince (Int. J. Intell. Syst., 2019)