El Attar, A., El Hachloufi, M. and Zine El Abidine, G. 2018. Optimization of Surplus Reinsurance Treaty using the Conditional Tail Expectation. Pakistan Journal of Statistics and Operation Research. 14, 1 (Mar. 2018), 95-107. DOI:https://doi.org/10.18187/pjsor.v14i1.1973.