@article{JFAA_1997__3_6_59499,
     author = {St\'ephane Jaffard},
     title = {Old {Friends} {Revisited;} the {Multifunctional} {Nature} of {Some} {Classical} {Functions.}},
     journal = {The journal of Fourier analysis and applications},
     pages = {1--22},
     year = {1997},
     volume = {3},
     number = {6},
     zbl = {0880.28007},
     url = {http://geodesic.mathdoc.fr/item/JFAA_1997__3_6_59499/}
}