In his free time he worked on Fourier series, a topic which interested him throughout his life.
Raphael | Salem | Winston-Salem, North Carolina | Salem, Massachusetts | Salem, Oregon | Winston-Salem | Salem, Tamil Nadu | Salem district | Salem Communications | Saint-Raphaël, Var | Sally Jessy Raphael | Salem, New Hampshire | Salem Saberhagen | Gordon Raphael | Schule Schloss Salem | Salem witch trials | Raphael Saadiq | Salem Radio Network | Salem County, New Jersey | Raphael Pyrasch | Raphael I Bidawid | Raphael Holinshed | Raphaël Bassan | Pamela Salem | Samson Raphael Hirsch | Salem Township | Salem, New Jersey | Saint-Raphaël | Raphael Soyer | Raphael (singer) |
Jean-Pierre Kahane and Raphaël Salem (1994), Ensembles parfaits et séries trigonométrique, Hermann, Paris.