@article{SAD_1989__14_1_85_0,
     author = {Gasser, Th\'eo},
     title = {By nonparametric methods},
     journal = {Statistique et analyse des donn\'ees},
     pages = {85--101},
     publisher = {Association pour la statistique et ses illustrations},
     volume = {14},
     number = {1},
     year = {1989},
     language = {en},
     url = {http://www.numdam.org/item/SAD_1989__14_1_85_0/}
}