- Mingsi Long, Hongzhong Zhang, “On the optimality of threshold type strategies in single and recursive optimal stopping under Lévy models”, Stochastic Processes and their Applications, 129, № 8, 2019, 2821
- Claude Lefèvre, Philippe Picard, “Appell pseudopolynomials and Erlang-type risk models”, Stochastics, 86, № 4, 2014, 676