Before revision: Essai sur unNouveu Mode d'Exposition des Principes der Calcul Differential, Annales de Gergonne 5: 93–140 Servois was followed by a school of British and Irish mathematicians including Charles James Hargreave, George Boole, Bownin, Carmichael, Doukin, Graves, Murphy, William Spottiswoode and Sylvester.
After revision: Essai sur un Nouveau Mode d'Exposition des Principes der Calcul Differential, Annales de Gergonne 5: 93–140 Servois was followed by a school of British and Irish mathematicians including Charles James Hargreave, George Boole, Bownin, Carmichael, Doukin, Graves, Murphy, William Spottiswoode and Sylvester.