%0 Journal Article %A Baek, J. %A Dudina, O. %A Kim, C. %T A queueing system with heterogeneous impatient customers and consumable additional items %J International Journal of Applied Mathematics and Computer Science %D 2017 %P 367-384 %V 27 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IJAMCS_2017_27_2_a10/ %G en %F IJAMCS_2017_27_2_a10