This work, along with that of two other French mathematicians, Rene Baire and Henri Lebesgue, marked the beginning of the modern theory of functions of a real variable.
Trabaho na ito, kasama na ng dalawang iba pang mga French mathematicians, Rene Baire at Henri Lebesgue, minarkahan ang simula ng makabagong teorya ng pag-andar ng isang real variable.