His work on paradoxes Paradoxien des Unendlichen, a study of paradoxes of the infinite, was published in 1851, three years after his death, by one of his students.
Kanyang trabaho sa paradoxes Paradoxien des Unendlichen, isang pag-aaral ng paradoxes ng walang hanggan, ay nai-publish sa 1851, tatlong taon pagkatapos ng kanyang kamatayan, sa pamamagitan ng isa sa kanyang mga mag-aaral.