%0 Journal Article %A Ma, Qing-Qing %A Li, Ji-Hong %A Liu, Wei-Qi %T Social optimization in M/M/1 queue with working vacation and N-policy %J RAIRO - Operations Research - Recherche Opérationnelle %D 2018 %P 439-452 %V 52 %N 2 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/ro/2017041/ %R 10.1051/ro/2017041 %G en %F RO_2018__52_2_439_0