@article{SJC_2008_2_1_a3,
     author = {Goleva, Rossitza and Goleva, Mariya and Atamian, Dimitar and Nikolov, Tashko},
     title = {Quality of {Service} {System} {Approximation} in {IP} {Networks}},
     journal = {Serdica Journal of Computing},
     pages = {45--56},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJC_2008_2_1_a3/}
}