His paper Fundamenta nova theoria functionum ellipticarum published in 1829, together with its later supplements, made fundamental contributions to this theory of elliptic functions.
Kanyang papel Fundamenta nova theoria functionum ellipticarum inilathala sa 1829, kasama ang kanyang mamaya supplements, pangunahing mga kontribusyon na ginawa ito sa teorya ng tambilugin function.