@article{nonparametrichierarchicalclusteringof,
  title = {Nonparametric Hierarchical Clustering of Functional Data},
  author = {Marc Boullé and Romain Guigourès and Fabrice Rossi},
  year = {2014},
  eprint = {1407.0612},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1407.0612v1},
}