In 1842 he bought a French translation of Gauss 's Disquisitiones arithmeticae and, like Dirichlet, he became fascinated by the number theory which he read there.
Sa 1842 siya bumili ng isang French translation of gauss' s Disquisitiones arithmeticae at, tulad ng Dirichlet, siya ay naging nabighani sa pamamagitan ng numero ng teorya na kung saan siya basahin doon.