Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{ARM_2003__39_1_a3, author = {\v{Z}\'ak, Libor}, title = {Clustering of vaguely defined objects}, journal = {Archivum mathematicum}, pages = {37--50}, publisher = {mathdoc}, volume = {39}, number = {1}, year = {2003}, mrnumber = {1982210}, zbl = {1122.62319}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_2003__39_1_a3/} }
Žák, Libor. Clustering of vaguely defined objects. Archivum mathematicum, Tome 39 (2003) no. 1, pp. 37-50. http://geodesic.mathdoc.fr/item/ARM_2003__39_1_a3/