---Yves Meyer
Wavelets and functions with bounded variation from image
processing to pure mathematics,
Atti della Accademia Nazionale dei Lincei, Classe di Scienze Fisiche,
Matematiche e Naturali, Rendiconti Lincei, Serie IX, Matematica e Applicazioni,
volume XI, 2000, special issue: Mathematics Towards the Third Millennium
(Papers from the International Conference held in Rome, May 27--29, 1999), page 95.