1. Classical Many-Body Problems Amenable to Exact Treatments
2. R. Koekoek and R. F. Swarttouw, “The Askey scheme of hypergeometric orthogonal polynomials and its q-analogue,” Delft University of Technology, Faculty of Information Technology and Systems, Department of Technical Mathematics and Informatics,Report no. 98-17, 1998, homepage.tudelft.nl/11r49/askey.html.
3. Disproof of a conjecture