TY - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) A1 - ZHAO Yuan, TIAN Nai-shuo, YUAN Xiao-juan, JIN Xiao-qing, NING Xiao-hu T1 - The Geom/G/1 queue with second optional service and multiple vacation Y1 - 2011-12-14 JF - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) JO - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) SP - 104 EP - 108 VL - 46 IS - 1 UR - http://lxbwk.njournal.sdu.edu.cn N1 - ER -