1. Enumeration of Dyck paths according to length and various other parameters;Deutsch,1995
2. An Introduction to Probability Theory and Its Applications;Feller,1968
3. Concrete Mathematics;Graham,1994
4. Joint distributions of three descriptive parameters of bridges;Kreweras,1986
5. A new enumerative property of the Narayana numbers;Kreweras;Statist. Plann. Inference,1986