JULIA, Leçons sur la représentation conforme des aires simplement connexes, 1934

First edition.
Gaston Julia (1893-1978), is a French mathematician whose work was brought to light in the 1970s by the French mathematician of Polish origin Benoît Mandelbrot. The Julia and Mandelbrot sets are closely associated.

Summary of his lessons given at the Sorbonne in the spring of 1931.