His thesis, entitled Symbolic Finite Solutions and Solutions by Definite Integrals of the Equation dny/dxn = xmy, was published in the American Journal of Mathematics in 1886.
Bài luận văn của ông mang tựa đề Symbolic Finite Solutions and Solutions by Definite Integrals of the Equation dny/dxn = xmy, được xuất bản trong American Journal of Mathematics vào năm 1886.