@article{10_4064_am_14_1_27_30,
     author = {H. J. Rossberg and G. Siegel},
     title = {On {Kingman's} integral inequalities for approximations of the waiting time distribution in the queuing model {GI/G/1} with and without warming-up time},
     journal = {Applicationes Mathematicae},
     pages = {27--30},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {1974},
     doi = {10.4064/am-14-1-27-30},
     zbl = {0274.60076},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-14-1-27-30/}
}