Futschik, A. & Pflug, G. <https://pure.iiasa.ac.at/view/iiasa/229.html> ORCID: https://orcid.org/0000-0001-8215-3550 <https://orcid.org/0000-0001-8215-3550>  (1997).  Optimal allocation of simulation experiments in discrete stochastic optimization and approximative algorithms.   European Journal of Operational Research 101 (2) 245-260. 10.1016/S0377-2217(96)00396-7 <https://doi.org/10.1016/S0377-2217%2896%2900396-7>.