In 1857, Boole published the treatise On the Comparison of Transcendents, with Certain Applications to the Theory of Definite Integrals, in which he studied the sum of residues of a rational function.
Aastal 1857 avaldas Boole uurimuse "On the comparison of Transcendents, with Certain Application to the Theory of Definite Integrals", milles ta uuris ratsionaalse funktsiooni jääkide summat.