@inproceedings{Bode1992,
  author    = {J{\"u}rgen Bode},
  title     = {Towards a Generalization of Production Theory - \"Soft\" Production Functions Using Fuzzy Set Theory},
  series = {Gritzmann, Hettich et al. (Eds.): Operations research '91. Extended abstracts of the 16th Symposium on Operations Research, held at the University of Trier at September, 9-11, 1991},
  isbn      = {3-7908-0608-0},
  pages     = {603 -- 606},
  year      = {1992},
  language  = {en}
}