Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{KYB_1977__13_4_a2, author = {Nieminen, Juhani}, title = {On the algebraic structure of fuzzy sets of type 2}, journal = {Kybernetika}, pages = {--273}, publisher = {mathdoc}, volume = {13}, number = {4}, year = {1977}, mrnumber = {0460195}, zbl = {0366.94003}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1977__13_4_a2/} }
Nieminen, Juhani. On the algebraic structure of fuzzy sets of type 2. Kybernetika, Tome 13 (1977) no. 4, p. 273. http://geodesic.mathdoc.fr/item/KYB_1977__13_4_a2/