Although he was working on his doctoral dissertation in medicine he was producing numerous papers on mathematical topics which he was publishing and also important results which were contained in his correspondence.
Kahit na siya ay nagtatrabaho sa kanyang disertasyon ng doktor sa gamot na siya ay paggawa maraming mga papeles sa matematika paksa na kung saan siya ay na-publish at ring mahalagang mga resulta na nakapaloob sa kanyang mga sulat.