1. Hermann Weyl's contribution to physics;Yang,1980
2. The Lauricella functions and exact string scattering amplitudes;Lai;J. High Energy Phys.,2016
3. The SL(K+3,C) symmetry of the bosonic string scattering amplitudes;Lai;Nucl. Phys. B,2019
4. Symmetry and Separation of Variables;Miller,1977
5. Solving Lauricella string scattering amplitudes through recurrence relations;Lai;J. High Energy Phys.,2017