The concept of conditional fuzzy measure. de Campos, L. M., Lamata, M. T., & Moral, S. Int. J. Intell. Syst., 5(3):237–246, 1990.
The concept of conditional fuzzy measure [link]Paper  doi  bibtex   
@article{DBLP:journals/ijis/CamposLM90,
  author    = {Luis M. de Campos and
               Mar{\'{\i}}a Teresa Lamata and
               Seraf{\'{\i}}n Moral},
  title     = {The concept of conditional fuzzy measure},
  journal   = {Int. J. Intell. Syst.},
  volume    = {5},
  number    = {3},
  pages     = {237--246},
  year      = {1990},
  url       = {https://doi.org/10.1002/int.4550050302},
  doi       = {10.1002/int.4550050302},
  timestamp = {Fri, 30 Nov 2018 00:00:00 +0100},
  biburl    = {https://dblp.org/rec/journals/ijis/CamposLM90.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}

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