%0 Journal Article %A Huang, Xiangxiang %A Huang, Yonghui %T Mean-variance optimality for semi-Markov decision processes under first passage criteria %J Kybernetika %D 2017 %P 59-81 %V 53 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14736/kyb-2017-1-0059/ %R 10.14736/kyb-2017-1-0059 %G en %F 10_14736_kyb_2017_1_0059